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Riverside County, California

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

Top Mountain Biking Spots in and near Riverside County

  • Newport Beach, California

    Bommer Ridge from the Pacific Ridge Trailhead

    7.54 mi / 394 ft gain
    The Bommer Ridge West Trailhead aka The Pacific Ridge Trailhead begins at the edge of Ridge Park Road, overlooking CA State Highway 73, and marks the northwest entrance to the Laguna Coast Wilderness and its neighbor, Crystal Cove State Park. From the well-marked trailhead follow the trail south...
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  • Newport Beach, California

    Explore Deer Canyon

    6.9 mi / 1489 ft gain
    The Deer Canyon Loop Trail is an easy drive from Orange County and Newport Beach. In the spring, wildflowers are abundant along the trial. This is a favorite spot for trail runners, hikers, and mountain bikers. The trail is kept in great condition year-round and is very wide. There is very little...
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  • Laguna Beach, California

    Hike the West Ridge Trail

    5.0
    1.5 mi / 150 ft gain
    Beginning at Alta Laguna Park at Top of the World, the West Ridge Trail is a popular starting (and ending) point for adventures into the Laguna Coast Wilderness, leading to trails and areas like Car Wreck, Big Bend, and Willow Canyon. You can also do it in reverse from the north. The ridge itself...
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  • Laguna Beach, California

    West Ridge to Car Wreck Trail and Mathis Canyon Loop

    4.5
    3.31 mi / 856 ft gain
    There are numerous ways to incorporate the Car Wreck trail into a larger loop through the Laguna Coast Wilderness and Aliso Canyon Park, but a common route is to begin at Alta Laguna Park at "Top of the World" in Laguna Beach. Take the West Ridge Trail .5 miles, bearing right onto the marked Car...
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  • Laguna Beach, California

    Water Tank Trail

    4.3
    3.05 mi / 502 ft gain
    There a numerous trails in the Laguna Coast Wilderness that proceed up and along the ridges and down into the canyons (or the reverse), and most are excellent for hiking, trail running, and mountain biking. A classic out-and-back (with many options for loops) begins in Irvine Bowl Park at the en...
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  • Newport Beach, California

    Newport Beach Back Bay Trail

    4.0
    10.62 mi / 499 ft gain
    The Newport Beach Back Bay Trail features beautiful wildflowers and is open for use year round. Very minimal elevation gain makes this hike food for all skill levels, but be mindful of the distance. Dogs are allowed on the trail but must be kept on leash.  Cooling sea breezes make this one of th...
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  • Laguna Beach, California

    Trail Run the Boat Road and Laguna Ridge

    4.3
    4 mi / 600 ft gain
    There a numerous trails in the Laguna Coast Wilderness that proceed up and along the ridges and down into the canyons (or the reverse), and most are excellent for trail running, hiking, and mountain biking. A classic out-and-back (with many options for loops) begins at the end of Dartmoor Street ...
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  • Laguna Beach, California

    Emerald Canyon & Bommer Ridge Loop

    5 mi / 873 ft gain
    There a numerous trails in the Laguna Coast Wilderness that proceed up and along the ridges and down into the canyons (or the reverse), and are quite popular for mountain biking, hiking, and trail running. A great mountain biking loop begins in Emerald Canyon at the end of Emerald Canyon Road an...
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  • Laguna Beach, California

    B.F.I. Trail in Crystal Cove State Park

    5.0
    0.78 mi / 125 ft gain
    To get to the trailhead, enter Crystal Cove State Park through the Crystal Cove El Moro Campground entrance immediately next to El Moro Elementary School. Follow the road behind the school which leads to the main gate where you will need to pay a day-use parking fee of $15. Drive past the Campgr...
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  • Laguna Beach, California

    El Moro Canyon Trail

    5.0
    4.94 mi / 814 ft gain
    The trail features a waterfall and is open year-round, but is best used in the spring. Remember to bring $15 cash for the parking fee. The Laguna Beach trail is shared by trail runners, mountain bikers, hikers, and the occasional horseback rider. Dogs are not allowed in Crystal Cove State Park. 
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  • Arcadia, California

    Mt. Wilson Loop from Chantry Flat

    5.0
    12.74 mi / 4852 ft gain
    Mt. Wilson is one of the more difficult mountains in the San Gabriel to hike, making this adventure Intermediate. While 5,700 feet doesn't seem that tall, the mountain has a prominence of almost 5,300 feet, meaning that hike is steeper and longer than some of the other popular mountains that star...
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  • Aguanga, California

    Vail Lake Loop

    4.0
    7.25 mi / 922 ft gain
    Vail Lake Loop is a loop trail that takes you by a lake located near Temecula, California.
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  • Pearblossom, California

    Camp at Horse Flats Campground

    3.0
    The Horse Flats Campground is located 29 miles up Highway 2 from Interstate 210. You will turn left at the Santa Clara Divide Road(this intersection is also known as 3 Points). 3 miles down the road you will turn left to enter the campground. I have camped here a few times and its always been pre...
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  • Mountain Center, California

    Apache Peak Trail

    9.4 mi / 2966 ft gain
    Apache Peak Trail is an out-and-back trail where you may see wildflowers located near Mountain Center, California.
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  • Los Angeles County, California

    Idlehour Trail

    4.0
    14.89 mi / 4665 ft gain
    Idlehour Trail located near Mount Wilson, California, is an out-and-back trail that is strenuous and can take 8-10 hours if done all at once. There are opportunities to camp off the trail, making this a backpacking trail in the Angeles National Forest as well.  To access the Idlehour Campground ...
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  • Altadena, California

    Gabrieleno Trail: Switzer Falls to Hahamonga Watershed

    5.0
    10.14 mi / 814 ft gain
    Gabrieleno Trail: Switzer Falls to Hahamonga Watershed is a point-to-point trail that takes you by a waterfall located near La Canada Flintridge, California.
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