Sierra de San Pedro Mártir

Sierra de San Pedro Mártir (Spanish for 'mountains of Saint Peter the Martyr'; Kiliwa: ʔxaal haq) is a mountain range located within southern Ensenada Municipality and southern Baja California state, of northwestern Mexico.

It is a major mountain range in the long Peninsular Ranges System, that extends from Southern California down the Baja California Peninsula into Baja California Sur state.