Bishop Peak is a 1546ft volcanic plug in San Luis Obispo, California. It is the tallest of the Morros or "Nine Sisters", a chain of similar peaks stretching to Morro Bay. Often said to take its name from its resemblance to a bishop's miter, it is named in homage to the town's name (San Luis Obispo). "Obispo" is the Spanish word for Bishop.GeologyLike the other Morros, Bishop Peak is primarily composed of dacite. About 20 to 25 million years ago, magma welled up underneath a layer of softer rock and solidified. The softer overlying rock has since eroded away, leaving a distinct rugged shape.WildlifeBishop Peak's thin, rocky soil supports many plants that are not common in the surrounding area. Vegetation includes an Oak woodland, sage scrub and chaparral.Woodland areas are composed of species like coast live oak and California bay trees, as well as poison oak and California blackberry. Scrub areas support many aromatic varieties of sagebrush, coyote bush, and monkeyflower.
