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Marin County, California

Looking for the best fitness in Marin County? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around Marin County. The detailed guides, photos, and reviews are all submitted by the Outbound community.

Top Fitness Spots in and near Marin County

  • San Mateo County, California

    Run Sawyer Camp Trail

    5.0
    12 mi / 300 ft gain
    The Sawyer Camp Trail is a popular paved trail that stretches alongside the Crystal Springs Reservoir all the way to Hillcrest Blvd. The sixth mile crosses over the San Andreas Dam with nice views of San Andreas Lake.There are markers every half mile which makes timing and tracking your run easy....
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  • Walnut Creek, California

    Run the Mt. Diablo Foothill Loop

    5.0
    6.2 mi / 875 ft gain
    Continue by car down Castle Rock Road until it dead ends at the beginning of the trail. Parking is usually easy to find. If full, there is another overflow lot about 500 ft back the way you came in.You'll walk a good half mile down the trail before getting the main gate. As you're walking, you'll...
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  • Jenner, California

    Hike the Central Trail

    3.6 mi / 800 ft gain
    Salt Point State Park, about 90 miles north of San Francisco, features rugged, windswept coastline and dramatic forests of cypress, pine and redwoods. The Central Trail is a great way to experience much of the inland portion of the park including a unique highland Prairie where elk graze and are ...
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  • Foster City, California

    Paddle the Foster City Lagoon

    The Foster City Lagoon is one of the most calm waters to paddle on.  This is a great spot for beginners to learn how to paddleboard for the first time. The lagoon gets very still and makes it the perfect spot for reflection photos.  On sunny days, there are many kayakers, SUP, small boats, and ev...
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  • Belmont, California

    Hike San Mateo's Sugarloaf Mountain

    5.0
    1.5 mi / 500 ft gain
    Sugarloaf is tucked away in Laurelwood Park which is located in a residential neighborhood right off of Hwy 92 in San Mateo, making this a great hiking & trail running option for Peninsula residents.I always park on Glendora Dr. and follow the paved path down towards the playground. At the bo...
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  • Jenner, California

    Hike the North Trail to the Pygmy Forest

    4 mi / 800 ft gain
    Salt Point State Park, about 90 miles north of San Francisco, features rugged, windswept coastline and dramatic forests of cypress, pine and redwoods. The North trail is a great way to experience much of the inland portion of the park including the unique Pygmy Forest, named for the stunted trees...
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  • Winters, California

    Hike the Homestead-Blue Ridge Loop

    5.0
    From the official trailhead, start off by taking the Homestead Trail, which forks towards the right. A trail connecting Homestead and Blue Ridge will take you to a creek nearby. Veer off the trail along the creek and there is a water hole for cooling off on hot days. Onward into the trail, you wi...
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  • Clayton, California

    Hike the Waterfalls of Mount Diablo Loop Trail

    5.0
    6 mi / 1627 ft gain
    Winter 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. ...
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  • Danville, California

    Summit Mount Diablo via Rock City Trail

    5.0
    7.8 mi / 2299 ft gain
    Although 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...
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  • Redwood City, California

    Hike Purisima Creek Redwoods OSP

    4.6
    7 mi
    There 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 ...
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  • Redwood City, California

    Hike the Pulgas Ridge Open Space Preserve Loop

    3.7
    5.5 mi / 1000 ft gain
    Getting 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...
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