Mount San Cristobal is a potentially active stratovolcano at the boundary of the provinces of Laguna and Quezon on the island of Luzon, Philippines. The mountain rises to an elevation of 1,470 m (4,820 ft) above mean sea level  and is one of the volcanic features of Macolod Corridor.

Mount San Cristobal is considered the Devil's Mountain in Filipino folklore. It is the alter-ego of the Holy Mountain,  Mount Banahaw, and is part of Mounts Banahaw–San Cristobal Protected Landscape, covering 10,901 hectares (26,940 acres) of land.

The mountain is bordered by San Pablo, province of Laguna at its northern slope and Dolores, province of Quezon at its southern slope.

7 lakes of San Pablo City, Laguna as seen from the top of Mt. San Cristobal at 1,470 meters above sea level.