Hollister Peak, Summit in San Luis Obispo County, California, US.

Hollister Peak is a volcanic plug rising 1,404 feet (428 m) near Morro Bay in San Luis Obispo County, California. It is one of the Nine Sisters, a chain of such plugs, and stands entirely on private land. Five visible trails climb its eastern flank, with others on the western side facing Morro Rock.

Hollister Peak is one of the Nine Sisters, a chain of volcanic plugs between Morro Bay and San Luis Obispo. It takes its name from the family that lived at its base in 1884. The Chumash considered the peak religiously important.

The peak is named after a family that lived at its base in 1884. Before that, it held religious importance for the Chumash people. Today the summit lies entirely within private land, and five visible trails on its eastern flank lead toward the top.

Access to this summit is restricted because it sits on private land and is not open to the public. Visitors should understand that climbing without permission is not permitted and can result in legal consequences.

Five visible trails climb the eastern flank of the peak, while others on the western side face Morro Rock, the seventh of the Nine Sisters. The 428-metre volcanic plug is one of nine such necks strung along the coast near Morro Bay.