Monarchs Are Back at Natural Bridges. Late October Through November Is the Best Time to Go
California's only state monarch preserve says late October and November are usually peak viewing; storms this El Niño winter are a worry.
Bay Area outdoors and weekend trips: hikes, beaches, parks, fall colors and seasonal events, with links to official sources.
California's only state monarch preserve says late October and November are usually peak viewing; storms this El Niño winter are a worry.
The breeding-season walks cost $7 plus a $3.99 reservation fee and fill up fast on weekends.
Spawning peaks December through January, usually one to three days after a good rain.
Shuttle rides are $4 round trip; after October, plan on a parking reservation plus the $15 entrance fee.
Volunteers with the Golden Gate Raptor Observatory count migrating hawks from mid-August to early December.
The elk rut winds down, fall whales give way to gray whales, and elephant seals arrive in force in December.
Five weekends at the Cow Palace; early-bird tickets are $40 for adults through Oct. 31.
The Woodside estate's light show runs nightly into January; tickets start at $45.
Join a guided walk or science event during the year's highest tides, and add your photos to the California King Tides Project.
John Muir Land Trust is trying to buy Johnson Ranch, 116 acres of oak woodland, grassland and ridgeline next to Tilden Regional Park. The owners have agreed to sell if the trust raises $7 million by Dec. 31, 2027.
A kayak fisherman filmed a great white shark gliding past his boat off Half Moon Bay on Sunday, Oct. 25. He says he will use the buddy system from now on.
The trail to Point Bonita Lighthouse in the Marin Headlands opens only three hours a month. The suspension bridge to the lighthouse is closed, but the viewing platform is open.
At the foot of Buchanan Street, a former landfill sticks out into the bay. Over the decades, artists have filled it with rebar sculptures, murals and driftwood art.
Bouldering season is starting at Castle Rock State Park in the Santa Cruz Mountains. Here's where beginners should start, what to bring, and the park's rules on wet rock and cell service.
San Francisco has a new independent climbing gym. California Climbing Collective opened Oct. 11 at 1264 Folsom St. It doesn't grade its routes, and memberships cost $79 a month.
Two big Bay Area Thanksgiving runs are open for registration: the Silicon Valley Turkey Trot in downtown San Jose and the SF Turkey Trot in Golden Gate Park. San Jose's early price ends Friday.
Santa Cruz County Parks opened about six miles of new hiking trails at Quail Hollow Ranch County Park in Felton. They reach nearly 80 acres of rare Sandhills habitat that the public couldn't get to before.
Two Golden Gate Heights neighbors started a project in 2003 to cover a 163-step stairway in mosaic. Artists Aileen Barr and Colette Crutcher designed it. It opened in 2005, and today the city owns it.
The Hidden Garden Steps were finished in December 2013, from the artists behind the 16th Avenue Tiled Steps. The garden-themed mosaic climbs from Kirkham Street. Its biggest piece is a salamander.
Winds up to 114 mph tore off half the shutter on Lick's Great Refractor dome on Christmas Day 2025. The main building is still closed, but the observatory says visitors can tour the Shane Telescope Gallery and parts of the grounds for free.
A Rec and Park gardener assigned to Cayuga Park in 1986 began carving fallen cypress into totems, animals and portraits. The park was renovated from 2011 to 2013, and many of the carvings were saved.
Four Andy Goldsworthy works are tucked into the Presidio, and a three-mile loop connects them. Spire and Wood Line are always open; Tree Fall and Earth Wall have limited viewing.
Tank Hill, a 2.9-acre natural area above Cole Valley, takes its name from an 1890s water tank. Only its concrete foundation remains, along with wide views and a chert outcrop.
Behind UCSF's Parnassus campus, the 61-acre Mount Sutro Open Space Reserve has more than 5 miles of foggy forest trails, plus a history that runs from Adolph Sutro's 1886 planting to a Cold War missile site.
A wild flock of cherry-headed conures has lived on Telegraph Hill since the early 1990s. One of the best places to hear them is the Grace Marchant Garden along the Filbert Steps.
A wooded canyon runs through the middle of Oakland's Dimond and Glenview neighborhoods. The Dimond Canyon trail follows Sausal Creek under the Leimert Bridge past habitat volunteers have restored.
Fall tarantula mating season peaks around mid-October and runs into early November. Here's where Bay Area hikers still have a shot at seeing one.
The 28th Lodi Sandhill Crane Festival is Nov. 6-8 in Lodi. Here's what's free, what costs money and how to see the cranes on your own.
California's oldest state park is still recovering from the 2020 CZU fire, but its biggest redwoods survived and several hikes are open. Here's how to plan a visit.
Fall color spotters say the Bay Area's leaves are only just starting to turn. Here are the spots to watch over the next few weeks.
Filoli's after-dark Halloween event runs through Sunday, Nov. 1. Here's what's there, what it costs and how to plan the final nights.
Henry W. Coe State Park, east of Morgan Hill, is the largest state park in Northern California. Here's how to visit this fall.
Last entry times at San Francisco's Botanical Garden and Japanese Tea Garden move earlier as November begins. Here's the schedule, the free times and what's turning color.
Napa's Suscol Headwaters Park now has its own front door. A new parking lot off North Kelly Road opened Oct. 24, two days after about 50 people dedicated 5 miles of Bay Area Ridge Trail there in the rain.
The Point Reyes Lighthouse first lit its Fresnel lens on Dec. 1, 1870. It guarded the headlands for 105 years before the Coast Guard automated the station in 1975. Reaching it means about 300 steps down a cliff on what was officially recorded as the windiest and foggiest point on the Pacific Coast.
Mission Peak, the peak on Fremont's city logo, is one of the most popular hikes in the Bay Area. The East Bay Regional Park District says the climb takes about five hours round trip, and the trail has very little shade.
Coyote Hills Regional Park in Fremont pairs easy bayside trails and marsh views with deep history. It holds Tuibun Ohlone shellmound sites about 2,000 years old and remnants of a Cold War Nike missile base. Gates close at 7 p.m. in October and 6 p.m. in November.
Just north of Guerneville, Armstrong Redwoods preserves old-growth coast redwoods on easy, accessible trails. Here are the trees to find and what it costs.
F. Norman Clark started the line in 1963. When a 1976 fire destroyed its corkscrew trestle, it was replaced with a switchback on a 10.5% grade.
The land was clear-cut from 1883 to 1923, then donated by the Marks family in 1963. State Parks lists closures, including the Aptos Creek Trail and the trail to Five Finger Falls.
Waves at Mavericks top 25 feet and can exceed 60. Jeff Clark first rode it alone in 1975, at 17. The break is about half a mile offshore.
A 1995 slide closed the road for five months, and in 1996 San Mateo County voters chose a tunnel. Today the old roadbed has overlooks, scopes and separate lanes for bikes.
The 4,020-acre park has 25 miles of trails, a 25-foot seasonal waterfall and the Robert Ferguson Observatory. It has been community-run since it was saved from closure in 2012.
The park has about 7,000 acres of trails for hikers, bikers and riders. Guided ranch history and coastal walks are scheduled for Oct. 31.
The 317-acre reserve was donated to the state in 1933. State Parks has thinned tan oaks since 1979 to keep the rhododendrons from being shaded out.
The Nuns Fire burned the park's southern portion in 2017, and the Glass Fire reached its northern edge in 2020. Day use is $7 per vehicle.
The name is Spanish for 'the traps.' Its fall hours run 8 a.m. to 7 p.m. through Nov. 1, then 8 a.m. to 5:30 p.m.
Briones Peak, at 1,483 feet, looks out over Mount Diablo and Mount Tamalpais. As of Oct. 28, there is no drinking water at Bear Creek.
The 241-acre preserve is named for the California huckleberry. Dogs, bikes and horses aren't allowed on its fragile self-guided nature path.
It was one of the East Bay Regional Park District's original parks in 1936. Stone labyrinths draw visitors. Winter hours of 7 a.m. to 6 p.m. start in November.
Rec and Park calls it the city's second-largest park, with six playgrounds and five picnic areas. The park dates to a 1926 land purchase and was named for John McLaren.
The city says it has provisional approval from the union. New signs will cost about $16,000, and that money isn't in the parks budget yet.
The tiny Old World warbler should have been heading from Siberia to Southeast Asia. Birders drove in from as far away as Southern California, Reno and Oregon to see it.
New signs will cost about $16,000, money the city hasn't budgeted yet. Once funds are found, installation is expected to take about three months.
The 110-acre Golden Gate National Recreation Area site was nearly developed several times. Winter rains fill its ponds for endangered red-legged frogs.
Rides on the 15-inch-gauge steam railway last about 12 to 15 minutes and cost $4. The operator and the East Bay Regional Park District have been without a long-term lease since 2019.
Presidio Tunnel Tops is free and open daily. The Field Station is open Wednesday through Friday from 11 a.m. to 4 p.m. and weekends from 10 a.m. to 5 p.m., and Muni's 30 and 43 lines serve the park.
Crown Memorial State Beach in Alameda runs 2.5 miles along the bay, with dunes, a bike trail and the Crab Cove Visitor Center. The site was once the Neptune Beach amusement park. Here's what to know before you go.
Sheltered by Inverness Ridge, Tomales Bay State Park has some of the calmest swimming beaches in the Bay Area. Here's how its three areas work, where dogs can go and why you should arrive early.
Muir Beach is a small cove on the Marin coast run by the Golden Gate National Recreation Area. Wintering monarchs, beach fires and the overlook's WWII-era lookouts make fall a good time to go. Here's a guide.
Mount Tamalpais State Park has 60 miles of trails and views as far as the Farallon Islands. Road work on Pantoll Road is slowing weekday traffic. Here's what to know before you head up the mountain.
Butano State Park near Pescadero is a quiet redwood canyon with 40 miles of trails. Six years after the 2020 CZU Lightning Complex fire, its main campground is still closed and there's no drinking water. Here's what to know.
The Marine Mammal Center says it has documented more than 300 cases of domoic acid poisoning in marine mammals this year, its largest outbreak since it was founded in 1975. Calls have dropped off elsewhere on the coast but not in San Mateo County, where Half Moon Bay has been a hot spot in recent weeks.
A North American river otter has been caught on wildlife cameras at Cloverdale Ranch Open Space Preserve near Pescadero. It is the first documented on the San Mateo County coast since the 1800s, when the fur trade wiped out otters along most of the West Coast.
Mount Diablo rises only 3,849 feet, but on the clearest days the view from its summit stretches almost 200 miles, according to California State Parks. The stone Summit Visitor Center is open daily from 10 a.m. to 4 p.m.
Rancho San Antonio has more than 25 miles of trail across a 2,180-acre open space preserve and a 293-acre county park, according to Midpen. Its working Deer Hollow Farm and the climb to 2,800-foot Black Mountain make it one of the South Bay's most popular places to hike.
Lafayette Reservoir, a mile from Lafayette BART, has a 2.7-mile paved loop, a 4.7-mile Rim Trail, rowboat and pedal-boat rentals and trout plants from November through March, according to EBMUD. A harmful algae notice means no body contact with the water.
Lake Temescal, next to the Highway 24 and 13 interchange in Oakland, is closed to swimming until April 2027, according to the East Bay Regional Park District, but it's open daily from 5 a.m. to 10 p.m. for walking, fishing and picnics.
Angel Island has no roads or bridges to the mainland; you get there by public ferry from Tiburon or San Francisco or by private boat, according to California State Parks. The island's Immigration Station processed and detained about a million immigrants, mostly from Asia.
Pescadero State Beach has a mile of shoreline with sandy coves, rocky cliffs and tide pools, and across Highway 1 the Pescadero Marsh Natural Preserve shelters herons and other wildlife, according to California State Parks. Dogs are banned on the beach and in the preserve.
Twin Peaks is open during construction of the car-free Twin Peaks Promenade, but drivers must use the Portola Drive gate, and the Crestline Trail is closed, according to San Francisco Rec and Park. The road and the Christmas Tree Point overlook remain open.
Fremont Older Open Space Preserve covers 739 acres in the hills above Cupertino and Saratoga. Its 900-foot Hunter's Point looks out over the Santa Clara Valley, and the preserve is named for the editor who led San Francisco's graft trials crusade.
The 6,859-acre Sunol Wilderness Regional Preserve near Fremont and Pleasanton is still grazed by cattle. Its Alameda Creek gorge, formerly called Little Yosemite, sits about two miles from the visitor center. Bring water, because the park has none.
Lake Del Valle is a five-mile reservoir in the hills about 10 miles south of Livermore, finished in 1968 as part of the State Water Project. The surrounding regional park has swimming, fishing, boat rentals and a 150-site campground, and it is the eastern gateway to the Ohlone Wilderness Trail.
Anthony Chabot Regional Park has a family campground over Lake Chabot and miles of trail, including part of the 31-mile East Bay Skyline National Trail. It opened in 1952 as Grass Valley Regional Park, and parking is free.
Garin and Dry Creek Pioneer Regional Parks join two 19th-century ranches into more than 5,800 acres of hills above Hayward and Union City. Visitors find a red barn full of farm machinery, a bass pond and the grave site of a Ukrainian émigré priest.
Carquinez Strait Regional Shoreline covers 1,568 acres of bluffs above the strait between Crockett and Martinez. Landslides closed Carquinez Scenic Drive to cars in 1983, and the road is now the George Miller Trail, open since 2014.
Diablo Foothills Regional Park covers 1,060 acres at the foot of Mount Diablo in Walnut Creek. Most hikers reach the Castle Rock sandstone formations in Pine Canyon through it. The rocks close each Feb. 1 to Aug. 1 for nesting peregrine falcons.
Bothe-Napa Valley State Park off Highway 29 has the farthest-inland coast redwoods in any California state park. It offers more than 10 miles of trail, a Ritchey Canyon creekside walk, and restored historic cabins and yurts.
Cull Canyon's swim lagoon in Castro Valley won a 1966 state design award. It is closed and will reopen for the 2027 swim season. The reservoir it was built in has largely filled with sediment, but the picnic areas and the trail to Anthony Chabot remain.
Claremont Canyon Regional Preserve is a small, steep preserve behind the Claremont Hotel. Its Stonewall-Panoramic Trail climbs to views of the bay and Golden Gate. In 1858 a transcontinental telegraph line ran up the canyon, which also carried wagon traffic between Oakland and Contra Costa County.
Brushy Peak rises above the Livermore Valley, where the Bay Area, the Delta and the Central Valley meet. The 1,979-acre preserve at the end of Laughlin Road has free parking and leash-only trails. The peak itself, long held sacred by Native Californians, can be reached only on guided tours.
Roberts Regional Recreation Area on Skyline Boulevard has redwoods right beside the parking lot. It also has an old-growth stump exhibit, reservable picnic groves and a heated pool that reopens in 2027. The 87-acre park opened in 1952.
Kennedy Grove sits at the foot of San Pablo Dam, a 222-acre park of eucalyptus planted in 1910 with picnic sites named for stops on a 19th-century narrow-gauge railroad. It was dedicated Oct. 22, 1967, in honor of President John F. Kennedy.
Dublin Hills Regional Park covers about 654 acres of ridge above I-580 west of Dublin. Its trails include a segment of the Calaveras Ridge Regional Trail and a short climb to Donlon Point, through grassland the park district says has been largely untouched since the 1800s.
McLaughlin Eastshore State Park runs along 8.5 miles of East Bay shoreline from Richmond to the Bay Bridge. Its marshes, mudflats and old landfill are pieced together from parcels that developers once planned to cover with malls and high-rises. In 2012 it was renamed for Save the Bay founder Sylvia McLaughlin.
Tilden is one of the East Bay park district's three oldest parks, with 2,079 acres of Berkeley hills, a swimming lake, a California native plant garden, an antique carousel and nearly 40 miles of trail. Much of it was built by New Deal crews in the 1930s.
Vargas Plateau Regional Park rises 1,000 feet above Fremont, with views over Niles Canyon and the bay. Its 1,249 acres of grassland and ponds are a stronghold for golden eagles and threatened amphibians. Lawsuits over its access roads delayed the park's opening for years.
Radke Martinez Regional Shoreline packs Martinez history into 343 acres on Carquinez Strait. There are bocce courts from its Italian fishing-village days, ballfields named for hometown hero Joe DiMaggio, and the skeleton of a 1900 lumber schooner in the mudflats. Parking is free.
Candlestick Point State Recreation Area, next to the old stadium site, is often sunny when the rest of San Francisco is fogged in. Bayview Hunters Point residents organized for years to turn a junk-strewn shoreline into what State Parks calls California's first urban state park. It has a fishing pier where no license is needed.
Half Moon Bay State Beach covers four miles of sand split among Francis, Venice, Dunes and Roosevelt beaches, linked by the paved Coastside Trail. Dogs are banned on the sand but allowed on the trail. In the 1920s, rumrunners unloaded liquor at Francis Beach.
New Brighton State Beach in Capitola pairs a forested bluff-top campground with a sandy beach on Soquel Cove. Before it was a park, the cove was China Beach, home to a Chinese fishing village from the 1850s until about 1900.
Seacliff State Beach in Aptos is known for the SS Palo Alto, a World War I concrete ship that was briefly a dance hall and pool in 1930. The 2023 storms wrecked the pier that led to it, and the pier has been removed. The campground remains closed while State Parks plans a rebuild.
Sunset State Beach near Watsonville is a long, quiet strand on Monterey Bay, with a campground in the pines. Dogs are not allowed on the sand. State Parks warns that rip currents, cold water and steep offshore drop-offs make the surf hazardous for all but the most experienced.
Manresa State Beach in La Selva Beach has bluff-backed sand with views from the Santa Cruz Mountains to the Monterey Peninsula. Unlike neighboring Sunset, it allows leashed dogs on the beach. Its walk-in campground, Manresa Uplands, is tent-only and open mid-May through October.
Lighthouse Field State Beach on West Cliff Drive is one of the last open headlands in any urban area in California. It overlooks Steamer Lane, one of the state's best-known surf breaks. Monarch butterflies spend the winter there, and California's first surfing museum is in the lighthouse next door.
Crockett Hills Regional Park climbs from 150 to 800 feet above Crockett, with views of San Pablo Bay, the Delta, Mount Tamalpais and Mount Diablo. The original ranch barn and milk-house still stand at the staging area. Some trails close seasonally when eagles nest.
Hayward Regional Shoreline is a former salt-making landscape turned back into tidal marsh on the bay's east shore. Cogswell Marsh was restored in 1980. The San Francisco Bay Trail runs through the park, and it is a refuge for endangered salt marsh harvest mice and shorebirds.
Heron's Head Park, once called Pier 98, is a roughly 22-acre wetland park on San Francisco's southeastern waterfront. It has more than 100 bird species, an environmental education center, and a nature play area that won a UNICEF award. A nature-based project is fighting the erosion that has eaten away at its shoreline.
Pomponio State Beach is a quiet strip of sloping sand below high sandstone bluffs, 12 miles south of Half Moon Bay. It has a small lagoon, picnic tables and pit toilets. Dogs, fires, drones and collecting are banned. Its name honors José Pomponio Lupugeym, a Native American leader of a band called Los Insurgentes who was executed in 1824.
Bean Hollow State Beach covers a mile of San Mateo coast with two access points: Pebble Beach, known for its ocean-polished stones, and a small sandy cove at Bean Hollow. A one-mile trail links them past tafoni-carved sandstone and tide pools. Collecting, even a single pebble, is prohibited.
Benicia State Recreation Area covers 447 acres of marsh, grassy hills and rocky beach at the narrowest point of the Carquinez Strait. Picnic-area accessibility work is expected to run until mid-May 2027, and a Bay Area Ridge Trail project on Dillon Point is due to finish by the end of 2026.
Bernal Heights Park covers the top of a 466-foot hill with 360-degree views. City parks staff say it often stays sunny when Twin Peaks is in fog. Its native grassland blooms with wildflowers each spring, it has an off-leash dog area, and coyotes have returned. Volunteers have worked to restore it since 1973.
Los Vaqueros Reservoir was built by the Contra Costa Water District in the 1990s to protect drinking water from Delta salinity. Visitors can fish, hike, picnic and rent electric boats. Pets, swimming and private boats are not allowed. Hours change with the season.
Pacifica State Beach, which surfers call Linda Mar, is a crescent of sand at the mouth of the San Pedro Valley and one of the Bay Area's top beginner surf spots. The City of Pacifica operates it. It was one of the first beaches restored using managed retreat, including the purchase and removal of two oceanside homes.
The Dipsea starts with hundreds of stairs in downtown Mill Valley and ends at Stinson Beach. Its handicapped race has run since 1905, and Chris Lundy won the 115th edition on June 14, 2026.
Built on old railroad right-of-way beneath BART's Richmond line, the Ohlone Greenway links North Berkeley, Albany and El Cerrito with paved paths, community gardens and native plant habitat.
Designed by Kimio Kimura and dedicated in 1980, Hayward's Japanese Gardens use California stone and plants in traditional style. The garden is free and open every day except Christmas.
Golden Gate Park's largest lake was built in 1893 for boating and carriage rides. Its island hides a 110-foot waterfall, a pagoda from Taipei and the ruins of an observatory toppled in 1906.
At Los Trancos Open Space Preserve, a short, easy trail follows the San Andreas Fault and points out ground that broke in the 1906 earthquake. It's one of the best geology lessons in the Bay Area, and it's free.
Brooks Island, a 373-acre preserve off the Richmond Inner Harbor, is one of the hardest Bay Area parks to visit: the only way in is a guided naturalist tour, and the park district runs just a handful each year.
A dramatic cove at the mouth of Tunitas Creek, once owned by a trust of musician Chris Isaak, is now a 58-acre county park between Half Moon Bay and Pescadero.
Monte Bello Open Space Preserve covers the upper Stevens Creek watershed above Palo Alto. It has an easy-start nature trail, big views from Black Mountain and the only campsite in the Midpen system.
The ridge you see behind Saratoga and Los Gatos is El Sereno Open Space Preserve. Its wide trails are open to hikers, cyclists and dogs, with views over Lexington Reservoir and Silicon Valley.
On Montebello Ridge above Cupertino, a 308-acre Midpen preserve wraps around a winery that Italian immigrant brothers started in the 1880s. You can hike to a pond, then taste wine in the historic building.
Above Woodside, a small preserve offers short walks through redwoods to a lake that Midpen is letting fill in naturally. Along the way are signs about the Thorne and Schilling estates.
Along Skyline Boulevard, Long Ridge offers an easy loop hike. It passes through a valley to Peters Creek's headwaters and then follows a ridge with big Santa Cruz Mountains views.
Skyline Ridge is a good Santa Cruz Mountains pick for families. Two gentle loops circle a pond and a lake, and a nature center overlooks the water. Some of the land once belonged to Gov. James Rolph.
South of Los Gatos, a preserve of second-growth redwoods was once a mansion estate and a Jesuit college. Midpen opened its first phase in 2019.
At the crest of Highway 9, Saratoga Gap Preserve carries a nearly two-mile piece of the Bay Area Ridge Trail, under oaks and through Douglas fir forest.
Next to Pacifica's Linda Mar neighborhood, San Pedro Valley Park has creekside picnic spots, a short accessible nature trail and a seasonal waterfall that flows after winter rain.
Most of the ridge above San Bruno was quarried away by the mid-1950s. What's left became a county park with views of SFO, the bay and Mount Diablo.
Hayward Regional Shoreline protects restored tidal and freshwater marshes where salt was once harvested. It has free parking, five miles of trail and dog rules to know before you go.
Abbotts Lagoon is three linked coastal lagoons on the Point Reyes peninsula. A mostly easy trail leads past them to the ocean, and fall and winter are prime birding seasons.
Lake Berryessa holds 1.6 million acre-feet behind Monticello Dam and supplies Solano County cities. Before you launch a boat there, you need to know about its new golden mussel inspection program.
On the San Joaquin River in Antioch, a 55-acre refuge guards one of the last river sand dune habitats in the Delta. It is closed to the public, and its free docent tours are paused.
Tennessee Valley is one of the easiest ways into the Marin Headlands. A mostly flat trail runs from the parking lot to a small cove beach with a shipwreck story.
Phleger Estate is a hikers-and-horses redwood park on the slope of Kings Mountain near Woodside. It is the southern tip of the Golden Gate National Recreation Area.
Salt Point State Park packs rocky coves, honeycombed sandstone, prairie, forest and an underwater park into one stretch of the Sonoma Coast north of Jenner. Here is what to know before you go.
Calero is one of the few South Bay reservoirs where you can launch a powerboat. It has been kept well below full while it waits its turn for a seismic retrofit.
Crane Creek is a small, quiet park in the hills east of Rohnert Park. Its meadows fill with wildflowers in spring, and a new 1.8-mile trail to Petaluma Hill Road is under construction.
Stevens Creek Reservoir is the closest of Santa Clara County's reservoirs to Cupertino. Its creek is named for the settler who led the first wagons over the Sierra in 1844.
Petaluma bought the ranch in 1970 as a place to dump mud dredged from the river. Today Shollenberger Park is the city's biggest and busiest park and a well-known birding spot.
Stillwater Cove is a small Sonoma County park on Highway 1 north of Jenner. It has a sheltered beach for divers and kayakers, a redwood creek canyon, and a schoolhouse moved from Fort Ross.
Goat Rock Beach, at the mouth of the Russian River near Jenner, is one of the Sonoma Coast's most dramatic stops. It is also one of the most dangerous for swimmers. Here's what to know.
The Dish trail in the Stanford foothills is one of the busiest walks on the Peninsula. Here is the history of the 150-foot radio telescope it circles, and the rules hikers need to know.
Pulgas Ridge, above Redwood City and San Carlos, is one of the few Bay Area preserves where dogs can run off leash. It sits on land where San Francisco once ran a tuberculosis sanitarium.
Sweeney Ridge, between San Bruno and Pacifica, has views of both the ocean and the bay. It is where the Portolá expedition first saw San Francisco Bay in 1769, an anniversary that falls Nov. 4.
Samuel P. Taylor State Park, 15 miles west of San Rafael, has redwoods along Lagunitas Creek and a climb up Barnabe Peak. Creek access closes Dec. 1 to protect spawning coho salmon and steelhead.
The Alameda Creek Regional Trail runs about 12 miles along the creek from the mouth of Niles Canyon to San Francisco Bay. It has a paved south side for bikes and runners and an unpaved north side for horses.
Bair Island is a group of three marsh islands, about 3,000 acres, on the edge of Redwood City. Once slated for 4,000 homes, it has been restored to tidal wetland and has trails reached by a pedestrian bridge.
Sawyer Camp Trail is a roughly 6-mile path through the San Andreas Fault rift valley in San Mateo County. It runs past Lower Crystal Springs Reservoir and San Andreas Lake and is part of the longer Crystal Springs Regional Trail.
Midpen's 376-acre Ravenswood Open Space Preserve in East Palo Alto offers a flat, mostly paved stretch of the Bay Trail along Cooley Marsh, with a raised boardwalk, overlooks and good fall birding.
Memorial Park is San Mateo County's oldest redwood park, bought in 1924 and named for county residents who died in World War I. Its 673 acres include old-growth redwoods, family campgrounds and nature trails.
Pescadero Creek County Park is the backcountry heart of an 8,020-acre county park complex in the Santa Cruz Mountains. Expect redwoods, a year-round steelhead stream, hike-in camps and creek crossings without bridges.
Two San Mateo County parks in El Granada link up into an easy coastside outing: Mirada Surf's bluff-top stretch of the California Coastal Trail and Quarry Park's playground, eucalyptus forest and ridge trails.
Edgewood Park and Natural Preserve, 467 acres off I-280 near Redwood City, is famous for spring wildflowers on serpentine grassland. It became a preserve in 1993 after a long fight over a golf course.
Wunderlich Park, a San Mateo County park in the Woodside hills, has redwood forest, open meadows and oak-madrone woodland on trails shared by hikers and horseback riders, plus the restored Folger estate stable.
Indian Rock Park is a 1.18-acre rock park in North Berkeley with stone steps carved to a summit that looks across San Francisco Bay. It's known for early-level bouldering, and it's where Sierra Club climbers including David Brower honed their skills in the 1930s.
The John Muir National Historic Site in Martinez preserves the 1883 Italianate mansion where the naturalist lived from 1890 until his death in 1914. Entry is free, the visitor center is open Tuesday through Saturday, and the Mount Wanda trails are open daily.
The UC Botanical Garden in Berkeley's Strawberry Canyon covers 34 acres and holds more than 10,000 kinds of plants, many of them rare or endangered. It dates to 1890 and moved to the canyon in 1925.
Muir Woods National Monument protects old-growth coast redwoods on the slopes of Mount Tamalpais and has been federally protected since 1908. It is open every day from 8 a.m. to about sunset, and drivers need a parking reservation.
Beach fires at San Francisco's Ocean Beach are allowed only from March 1 through Oct. 31, and only in the provided fire rings between Stairwells 15 and 20. Saturday is the last night of the season. The no-burn period runs from Nov. 1 through the end of February.
Fort Funston, on 200-foot bluffs at San Francisco's southwest corner, is one of the country's top hang-gliding spots and a popular off-leash dog area. It is also home to the Peninsula's largest remaining dune field and one of only two coastal bank swallow nesting sites.
The Coastal Trail at Lands End in San Francisco follows the old Cliff House Railway railbed past cypress groves, Golden Gate views, low-tide shipwrecks and the USS San Francisco memorial. Accessible trails start at the Merrie Way lot by the Lands End Lookout visitor center.
Uvas Canyon County Park, west of Morgan Hill, has a 1-mile Waterfall Loop along Swanson Creek and a longer loop to Triple Falls. Parking reservations and a $6 vehicle fee are required every day, according to Bay Nature. The falls are best after winter rains.