San Geronimo, California
San Geronimo, California is a must-visit for outdoor adventures with some of the top hiking trails. The Gary Giacomini Open Space Preserve is a popular spot, featuring a 4-mile loop trail that offers scenic views of the surrounding landscapes, including lush forests, valleys, and creeks. The trail is moderately difficult, making it suitable for most hikers. For a more challenging hike, the Pine Mountain Loop is a 9-mile trail that leads to a panoramic view of the Marin County. Additionally, the San Geronimo Valley Community Park offers a range of outdoor activities such as soccer, basketball, and a playground for children. For a unique attraction, visit the Spirit Rock Meditation Center, a peaceful retreat nestled among rolling hills and live oak trees. Truly, San Geronimo offers some of the best trails and outdoor activities for a rewarding day out.
Top Spots in and near San Geronimo
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Calistoga, California
Hike the Oat Hill Mine Trail
5.08.3 miThe incline on this trail begins pretty much right away and is fairly gradual for the entire hike, some of it is quite rocky, making this an easy to moderate level hike. However, with some shade (probably wouldn't attempt it on a hot summer day) and the sweeping views of the valley that get bette...Read more -
Calistoga, California
Hike Bald Hill in Robert Louis Stevenson State Park
3.2 mi / 1200 ft gainBald Hill is the first serious peak/summit that can be reached via the Oat Hill Mine Trail as it breaks from the more popular loop and heads into the heart of Robert Louis Stevenson State Park. To get there you can either begin at the less frequently used trailhead at Picket and Rosedale Roads he...Read more -
Guerneville, California
East Ridge - Pool Ridge Loop
4.53.37 mi / 810 ft gainThis park most resembles Muir Woods, and if you're looking to get out of the tourist trap, head to Armstrong Redwoods and make a day of it. This 3-mile hike takes off from the sign pointing to East Ridge Trail. As you begin a slight climb up the trail, you'll be under the cover of the redwoods, s...Read more -
Clayton, California
Hike the Waterfalls of Mount Diablo Loop Trail
5.06 mi / 1627 ft gainWinter and spring rains create scenic waterfalls in this hike at Mount Diablo, the East Bay's signature peak. Be careful hiking immediately post-rain, watch for slippery sections of mud. The trail is moderately difficult and is used by hikers, walking groups, trail runners, and for nature trips. ...Read more -
Guerneville, California
Parson Jones and Colonial Armstrong Redwood Trees
5.0The Parson Jones Tree is the tallest tree in the reserve, measuring more than 310 feet (94 m) in height. This is longer than the length of a football field! Named after a lumberman who chose to preserve this portion of the park in the 1870s, the Colonel Armstrong Tree is the oldest tree in the ...Read more -
Walnut Creek, California
Camp at Juniper Campground in Mount Diablo SP
Mount Diablo's summit in Mount Diablo State Park rises to 3,848ft, with Juniper Campground in Mount Diablo SP is at approximately 3,000ft in elevation. Juniper Campground overlooks the valley below and some of the San Francisco Bay. Reservations for Juniper Campground can be made at Reserveamer...Read more -
Walnut Creek, California
Juniper to the Summit Loop Trail and Meridian Ridge
6.56 mi / 2037 ft gainJuniper to the Summit Loop Trail and Meridian Ridge is a loop trail that is strenuous located near Diablo, California.Read more -
Danville, California
Summit Mount Diablo via Rock City Trail
5.07.8 mi / 2299 ft gainAlthough steep in sections, this trail is a wonderful workout and hikers are more than rewarded for their efforts. The Rock City Trail is a direct route to the summit of Mount Diablo, and the park is an ecological treasure dear to the hearts of Bay Area residents. The best views are on clear days...Read more -
Danville, California
Hike in Mount Diablo's Madrone Canyon
2.8 mi / 550 ft gainThis hike starts at the Rock City area of Mount Diablo State Park. Begin at the Madrone Canyon Trail, hiking southeast towards the Devils Slide trail. Along this section of the hike, the trail dips into a wooded canyon and follows the path of a small creek. To best experience the beauty of the cr...Read more -
Half Moon Bay, California
Half Moon Bay Coastal Trail
3.64 mi / 322 ft gainHalf Moon Bay Coastal Trail is an out-and-back trail where you may see local wildlife located near Half Moon Bay, California.Read more -
Vacaville, California
Bike the Cantelow Climb
5.019.68 mi / 1119 ft gainBegin your ride from Lagoon Valley Park in Vacaville, California. There is a parking lot here if you drive to the start of your ride (the park entrance fee is $3 per vehicle per day). Head out of the parking lot and turn right onto Rivera Road where you'll cross over Hwy 80. The road becomes Cher...Read more -
Guerneville, California
Austin Creek State Recreation Area Loop
5.08.65 mi / 1722 ft gainThe hike starts at the Gilliam Creek Trailhead, halfway up Armstrong Woods Road on the way to Bullfrog Pond. There is an $8 fee to enter the park, to be paid at the ranger kiosk as you enter Armstrong Woods. HIKING Begin hiking by descending the Gilliam Creek Trail. The descent is long and ste...Read more -
Redwood City, California
Hike the Pulgas Ridge Open Space Preserve Loop
3.75.5 mi / 1000 ft gainGetting there: exit Highway 280 at Edgewood Road, travel .75 miles east, turn left on Crestview Drive, then immediately left again on Edmonds Road.Once parked, there are several different path options through the park. All of them connect in a large loop, and return to the parking lot. The Cordil...Read more -
Vacaville, California
Bike the Lake Berryessa Loop
55.82 mi / 1007 ft gainBegin your ride in Vacaville, California out of Alamo Creek Park (street parking is available and free). Head north on Alamo Drive and veer left onto Foothill Drive, then left (South) onto Pleasants Valley Road. After two miles, veer left onto Cherry Glen Road. Stay to the right when you reach th...Read more -
Redwood City, California
Hike Whittemore Gulch at Purisima Creek Redwoods OSP
4.09.3 mi / 2109 ft gainThis trail starts out going downhill towards the ocean for the first half, which makes for a tough end to the hike as you trek back up the ridge. However, there are nice ocean and hilltop views that are worth the climb. On this trail, you'll pass 60+ banana slugs if conditions are right. They ar...Read more -
Redwood City, California
Hike Purisima Creek Redwoods OSP
4.67 miThere are two places to park for this specific loop- the main parking area on Highway 35 (Skyline Boulevard) and a smaller parking lot on the western end of the park. I would recommend parking at whichever is closest. Find directions to both on Openspace.org. From the main parking lot, the trail ...Read more
