Long Ridge is a hill located in the Santa Cruz Mountains in the San Francisco Bay Area, California.

The hill rises to an elevation of about 2,600 feet (792 m) on private property near Highway 35 and the Santa Clara-San Mateo county line.

[3][4] The hill is the highest point in San Mateo County.

[4] A hill to the northeast of Long Ridge rises to 2,566 feet (782 m).

This San Mateo County, California-related article is a stub.