Cobblestone Mountain is a peak in the Topatopa Mountains, in Ventura County, several miles north of Piru, California. At 6,738 feet, it is the third highest peak of the Topatopa Mountains after Alamo mountain and Sewart mountain, and followed by Hines Peak. Snow frequently falls on the mountain during winter.
When viewing the Topatopa Mountains from the east, Cobblestone Mountain is the most visibly prominent mountain of the entire range.
The peak is in the Sespe Wilderness, which is part of the Los Padres National Forest.
Wikipedia https://en.wikipedia.org/wiki/Cobblestone_Mountain_(California)
Address 93225, United States
Coordinates 34°36'32.955" N -118°52'3.346" E