- The San Ysidro Mountains — a mountain range of the Peninsular Ranges System, located in southwestern San Diego County, California.
- The western-most range of southern San Diego County, it also extends across the U.S.-Mexico border for a short distance into Baja California state.
Pages in category "San Ysidro Mountains"
The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes.