The range is a single block of a unique marine sandstone deposit of Miocene age. As such, it possible to view the ridge as a single extremely large mountain (massif).[1]
The ridgeline is traversed by the Hurricane Deck Trail, which is rarely maintained.[2]
References
^Thomas, G. D., Fritsche, A. E., & Condon, M. W. (1988). Stratigraphy and depositional environments of the Hurricane Deck Formation, a new, lower and middle Miocene, submarine-fan sandstone unit in the Sierra Madre and San Rafael Mountains, northeastern Santa Barbara County, California.