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Castro Valley, California

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

Top Hiking Spots in and near Castro Valley

  • Redwood City, California

    Hike the Crystal Springs Trail Loop

    5.6 mi / 1300 ft gain
    This is a great hike for any season of the year, with rushing streams during the winter, wildflowers in the spring, and cool, shaded canyons during the summer. Starting from near the Zwierlein Picnic area, take the Crystal Springs to the left into the redwood forest. Stay straight at the next tra...
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  • San Bruno, California

    Sweeney Ridge via Sneath Lane

    4.5
    3.88 mi / 646 ft gain
    Starting from the parking lot on Sneath Lane Trail, you’ll head through the gate and continue on the path up Sweeney Ridge. This is a 5.7 mile out-and-back trek. There is a 600 ft. elevation gain, which comes mainly in the first 1.5 miles of the trail. Your legs and lungs may hurt a bit, but if t...
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  • San Francisco, California

    Lover's Lane, Ecology, Mountain Lake Trail Loop

    4.5
    2.04 mi / 344 ft gain
    Tucked into a corner of the Golden Gate National Recreation Area is the Presidio, a beautiful little oasis of forests, beaches, and sweeping views that locals love. While the coastal trails get most of the attention here, the park covers 300 acres of prime real estate with lots of notable attract...
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  • San Francisco, California

    Presidio Ecology Trail

    5.0
    1.82 mi / 427 ft gain
    Presidio Ecology Trail is a loop trail through the Presidio located near San Francisco, California. This loop can be started at the Upper Ecology Trail off of Arguello Blvd near Pacific or down at the Lower Ecology Trail near the Inn at the Presidio. This trail is dog friendly on-leash. 
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  • San Francisco, California

    Presidio Bay Area Ridge Trail

    5.0
    2.73 mi / 203 ft gain
    Presidio Bay Area Ridge Trail is a point-to-point trail where you may see wildflowers located near San Francisco, California.
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  • Pacifica, California

    Milagra Overlook Trail

    5.0
    2.51 mi / 558 ft gain
    Found this hike with some friends after spending some time googling in my car when we were in the area looking for a quick hike with a view!   Dog friendly Free parking (but quite limited) Ocean views Known to have gorgeous wildflower blooms (we were not there during this)Porta-potty type toilet...
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  • Palo Alto, California

    Hike the Arastradero Preserve Loop

    3.0
    4.5 mi / 600 ft gain
    Getting There: From Hwy 280, take the Page Mill Road exit and head West on Page Mill Road, away from Downtown Palo Alto (if you're taking 101, exit on Oregon Expressway). Then turn right on Arastradero Road. There will be a small sign indicating the dirt parking lot on the eastern side of the str...
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  • Woodside, California

    Hike through Wunderlich County Park

    5.0
    4.5 mi / 1400 ft gain
    Located in the iconic Silicon Valley town of Woodside, Wunderlich County Park offers a number of hiking trails as well as some horseback riding trails through the wilderness.  Once in the parking lot, you will see a number of stables, riding ring, as well as a beautiful historic stable that was o...
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  • Redwood City, California

    Hike Whittemore Gulch at Purisima Creek Redwoods OSP

    4.0
    9.3 mi / 2109 ft gain
    This 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...
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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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  • Richmond, California

    Hike the Wildcat Canyon Loop

    4.0
    10.5 mi / 2300 ft gain
    Starting off on Wildcat Creek Trail, the trail is wide and rolling. After about 4 miles make a left on Jewel Trail, then onto Sylvan Trail. Another left puts you on Wildcat Peak Trail. Be sure to check your map, as many trails intersect here. Wildcat Peak Trail runs into Nimitz Way, at which poin...
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  • San Francisco, California

    Lake Merced Loop

    4.7
    4.53 mi / 180 ft gain
    Lake Merced Loop is a loop trail in the southwestern part of San Francisco. This trail is used for running and walking. You'll see plenty of people getting exercise or taking their dog for a stroll. There are also benches and tables around the loop. The lake itself is fresh water and is used for...
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  • Antioch, California

    Hike the Old Homestead Loop

    5.0
    6.5 mi
    This is a fun day hike that takes you through the beautiful hills of the Black Diamond Mines Regional Preserve and a bit of the Contra Loma Recreational Area as well. You can hike here year round, but I suggest going in the spring time when the hills are covered in soft, green grass and the wild ...
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  • Daly City, California

    Mussel Rock Loop

    4.0
    1.95 mi / 322 ft gain
    Mussel rock, a three-story, 50 million year old rock that has been carried some 500 miles northwest from Southern California, is where the San Andreas fault meets the Pacific Ocean. It's also an excellent spot to drink some wine and catch a sunset. From San Francisco, take Highway 1 south towar...
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  • Tiburon, California

    Angel Island Perimeter Loop

    5.98 mi / 794 ft gain
    Angel Island Perimeter Loop is a loop trail around the circumference of the island in the San Francisco Bay. The island is located near Tiburon, California with views  of downtown San Francisco, Alcatraz, the Golden Gate Bridge, Oakland, Sausalito, and TIburon as you traverse around the island. ...
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  • Belvedere Tiburon, California

    Mt. Livermore via North Ridge Trail

    4.5
    4.92 mi / 1178 ft gain
    Unless you own a boat or a kayak, this adventure requires a ride on the Blue and Gold Ferry from Pier 41 in San Francisco. But let’s be honest, that’s actually half the fun. Who doesn’t love a ferry ride? Angel Island State Park is the largest island in the Bay, and recommend the 6-mile loop aro...
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