The Fullerton Loop Trail, Fullerton, California
This is a complicated route with plenty of turns and intersections. If you are riding the loop unguided and for the first time, be sure to study the directions carefully or bring them along. This shouldn?t discourage you from... trails.com
Creek Trail
Nestled between Alum Rock Canyon and the Mt. Diablo foothills, Alum Rock Park near Santa Clara is California's oldest city park. From the early to mid-1900s it was a popular resort and spa, complete with an indoor swimming... traillink.com
Juanita Cooke Greenbelt
The Juanita Cooke Greenbelt is a wonderful escape from the often-busy streets and highways of Orange County. This 2.5-mile trail in Fullerton connects some of the area's quiet neighborhoods with the downtown area, making i... traillink.com
Bud Turner Trail
Experience the easy life of the West Coast on Orange County's Bud Turner Trail Set in a quiet neighborhood in the city of Fullerton, the trail is ideal for all types of trail use and uniquely caters to equestrian use. The ... traillink.com
Chino Hills
There are a variety of fire roads and singletrack. Depending on the weather, some or all the trails may be closed. There are also a few here that are permanently closed to bikes. If it's been raining recently, don't even t... dirtworld.com
Turnbull
This trail is very short but one hell of a ride. There is a long grade at the beginning of the trail but after that it's all downhill and single track. dirtworld.com
Echo Mountain Loop
I prefer taking the fire road up (which was hard enough for me) but you could also take Sunset trail too if you want singletrack (I'll add a trail for that after I ride it). If you stay on the fire road, keep right at a... singletracks.com
Arroyo Seco
This is considered a "beginning" mountain bike trail in the San Gabriels, where most everything is just up or down. After you get your bike and out of your car, go past the yellow gate, and go down the pavement for just... singletracks.com
San Gabriel Mountains: Mount Zion Loop Trail, Sierra Madre,...
You may be wondering why a measly 14-mile ride with 4,200 feet of elevation gain would require a four- to six hour commitment. The Mount Zion Loop is for true adventurers: the soft need not apply. Hiking and biking go hand in... trails.com
Zion Loop
Start moderate singletrack uphill. In about 2mi you begin to descend and get dropped into the main creek. Cross the creek and ride 50 yards to a mild fork, Stay left going straight uphill (if you miss the fork you will con... dirtworld.com
Lower Sam Merrill Trail
The Lower Sam Merrill Trail (also referred to simply as the Sam Merrill Trail) is named for a man who was inspired by John Muir and committed to preservation. Merrill was on the National Board of Directors of the Sierra Cl... traillink.com
Red Box/ Gabrielino National Recreation Trail, Sierra Madre,...
The Red Box/Gabrielino National Recreation Trail (NRT) offers the most dynamic and encompassing terrain of any one ride in Southern California. The first 6 miles is a pristine high-desert snake run with plenty of granite boul... trails.com
Mt. Lowe Railroad Trail
The Mount Lowe Railway was created as a scenic tourist line to bring visitors to see Mount Lowe and Echo Mountain. The railway opened in 1893 and stopped services in 1938. Interestingly, the railway was the only scenic mou... traillink.com
Inspiration Point, Altadena, California
This is a moderately difficult to strenuous loop with some one-way spurs. The ride is 13.7 miles long. The first 2.5 miles are a tough ascent on paved FS 2N50. From here the climbing moderates in difficulty and the route chan... trails.com
Bane Canyon Loop Trail, Chino Hills, California
This loop utilizes some of the least-used trails in Chino Hills State Park. Begin at the Bane Canyon entrance and climb into the state park. Before you get to the entrance gate, turn right on the Bane Ridge Trail and continue... trails.com
West Fork Road / Red Box-rincon Road, Azusa, California
This 30.3-mile loop requires a moderate amount of technical skill. You must be a strong cyclist to manage the ride's length and nearly 4,000 feet of climbing. The first 6.8 miles wind gradually up a paved road to the Glenn Tr... trails.com
Raptor Ridge Loop, Yorba Linda, California
At 16 miles, Raptor Ridge is a superb figure-eight ride for intermediates as well as experts. The loop's mix of interspersed fire road climbs and singletrack descents will keep the intermediates breathing easy and the experts... trails.com