Mountain Spring, San Diego County, California
Mountain Spring is a locale within Mountain Springs County Park in eastern San Diego County, California. It is located at an elevation of. It is the site of Mountain Spring, now enclosed in a concrete walled pool where it emerges from the mountainside and its waters percolate down a vegetated arroyo toward a culvert that carries water under Interstate 8 toward Myer Creek, and the head of In-Ko-Pah Gorge.