
San Felipe and Ranchita anchor this high-desert landscape in northeastern San Diego County, where the sprawling Montezuma Valley meets the northern reaches of the San Felipe Valley. The terrain is defined by dramatic elevation changes, rising from the valley floor to the prominent Volcan Mountains and the distinct peak of Cerro de la Hechicera. This area serves as a critical corridor for backcountry travel, as evidenced by the winding path of the Pacific Crest National Scenic Trl which snakes through the San Felipe Hills.
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1903 · Ramona
USGS Topo · 1:125,000
1904 · Indio
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1931 · Vallecito
USGS Topo · 1:125,000
1939 · Warner Springs
USGS Topo · 1:62,500
1939 · Santa Ysabel
USGS Topo · 1:62,500
1939 · Borrego
USGS Topo · 1:62,500
1941 · Clark Lake
USGS Topo · 1:62,500
1942 · Clark Lake
USGS Topo · 1:62,500
1942 · Borego
USGS Topo · 1:62,500