Roundtop Road is a hiking, biking, and horse trail in Los Angeles County, California. It is within San Gabriel Mountains National Monument. It is 2.7 miles long and begins at 6,231 feet altitude. Traveling the entire trail is 5.4 miles with a total elevation gain of 1,175 feet. The trail ends near Roundtop and Roundtop (elevation 6,260 feet).
Roundtop Road Professional Review and Guide
"Rising out of the northern section of the Tujunga, Mt. Gleason's broad shoulders offer fine roads for exploring the pine forest. The 6500 foot elevation brings relatively cool temperatures year-round. During most winters, the slopes of Mt. Gleason are covered with snow. The paved road from Mill Creek Summit allows easy auto access to the top of Mt. Gleason and lends itself well to cycling, although it involves two good climbs to get there."
--Delaine Fragnoli & Don Douglass, Mountain Biking Southern California's Best 100 Trails (Fine Edge Productions).
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