Cobblestone Mountain

Cobblestone Mountain is a summit in the Topatopa Mountains range within Los Padres National Forest, standing at about 6,738 feet in elevation. The peak sits among several ridges and open slopes that rise from forested valleys below.

The United States Geological Survey established a permanent benchmark on the mountain in 1941 to provide accurate elevation data for mapmaking. This survey mark helped define the mountain's precise position for future reference.

The aluminum register box at the summit honors Jack Cross, a founding member of the local Sierra Club chapter who shaped the region's climbing heritage. Visitors can find records and notes left by climbers over the years, reflecting how the mountain has connected people to outdoor exploration.

Reaching the summit requires a high-clearance vehicle to reach Buck Creek Trailhead, then a strenuous hike through remote terrain with limited water sources. Visitors should bring their own water and be prepared for rugged ground conditions throughout the climb.

The summit is scattered with fallen tree logs from previous wildfires, creating obstacles that shape the hiking experience. These remains mark how fire has reshaped the landscape over time.

Location: California

GPS coordinates: 34.60915,-118.86760

Latest update: December 14, 2025 14:23