Bishop Peak

Bishop Peak is a volcanic mountain in San Luis Obispo and the highest of the Nine Sisters, a cluster of volcanic summits in the area. Its rocky crown rises above the surrounding terrain and can be seen from many parts of the city.

The peak formed from volcanic activity millions of years ago and then solidified beneath layers of sediment that later eroded away. Its name comes from the rock formation at the summit, which resembles a bishop's ceremonial hat.

The peak functions as a geographic anchor for San Luis Obispo, drawing residents to spend time outdoors and connect with nature. People from the area regularly visit to hike and enjoy views of the city and surrounding valleys.

The summit can be reached via multiple hiking trails of varying lengths depending on where you start. The paths are well-marked, but it helps to go early in the day and wear appropriate gear for the climb.

The peak is made of dacite, a hard volcanic rock that cooled and hardened beneath the surface before being exposed. The stone only became visible after millions of years of overlying layers wore away.

Location: California

GPS coordinates: 35.30228,-120.69769

Latest update: December 10, 2025 16:02