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
Gabrielino Trail
This trail is best done as a one way shuttle to enjoy the long technical downhill ride. This ride is mostly technical singletrack with some fireroad and many fun stream crossings towards the end. Many challenges and obstac... dirtworld.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
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
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
Strawberry Peak Loop Trail, La Canada Flintridge, California
The Strawberry Peak Loop is another reason the San Gabriel Mountains rank as the premier mountain bike destination in Southern California. Although it?s very sketchy, this route doesn?t get top honors in the technical departm... trails.com
Chilao Flat: Mount Hillyer Loop Trail, Sierra Madre, California
The Chilao Flat area provides a mountain bike experience that is vastly different from that of the other routes in the San Gabriel Mountains. Instead of 2,000-plus-foot climbs and steep, vertigo-inspiring descents, the Chilao... trails.com
Brown Mountain / Ken Burton & El Prieto Options,...
This 15.1-mile loop delivers an unsparing body blow. It leaves you with a sweaty back, waterlogged feet, and an inspired noggin. But you won't mind a bit. Because long after you forget the hot, grueling climb and endless stre... trails.com
Josephine Peak / Strawberry Peak, Pasadena, California
The tough 4-mile climb to Josephine Peak offers spectacular 360-degree views. The downhill return is fast and fun, while the singletrack loop around Strawberry Peak provides plenty of technical challenge. Either peak can be d... trails.com
Brown Mountain/ Ken Burton Loop Trail, La Canada Flintridge,...
One of many wild rides in the San Gabriel area, this route involves a long, sustained fire-road climb up Brown Mountain Road followed by a very narrow and treacherous descent into Gabrielino Canyon via the Ken Burton singletr... trails.com
Chilao
The elevation is 5,500 ft. The campground, 0.25 miles from the San Gabriel Wilderness, is composed of three loops - Little Pine, Manzanita, and Meadow. Little Pine loops through a stand of Coulter pine - big pine cones... forestcamping.com
Mount Lowe Railroad Trail, Los Angeles, California
The Mount Lowe Railroad Trail is as unique and remarkable a trail as any you may travel. Many historic and informational signs along the path tell the story of the trail and the amazing rail line that once ascended the mounta... trails.com
Mount Wilson Observatory 150-foot Solar Tower Telescope
The 150-foot solar tower telescope was constructed to study the position, strength, and polarity of magnetic fields on the Sun. These measurements have been made since 1912, a record that allows long-term changes related ... waymarking.com
Chilao Flat Figure 8.5, La Canada, California
This 16.3-mile figure eight loop roams country once employed as a hide-out by the notorious 1870s bandito Tiburcio Vasquez. After soaking in the area's views, grunting up to an overlook over Mt. Hillyer and bouncing down the ... trails.com