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1996 Map of Cajon

Name: 1996 Topographic Map of Cajon
Creator: U.S. Geological Survey
Published: 1999
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1999

About this map

The San Andreas Fault Zone carves a dramatic geological path through this portion of the San Bernardino National Forest, dictating the alignment of the region's primary transportation corridors. This 1996 revision shows the critical junction where the Santa Fe and Southern Pacific railroads navigate the steep ascent toward Cajon Summit. The map details the complex infrastructure required for this mountain passage, including the Cajon Guard Station and a high-altitude Weighing Station near Cajon Junction.

Settlement patterns follow the narrow canyons and water sources, with small enclaves like Cosy Dell, Blue Cut, and the Little Horsethief Ranch punctuating the mountain landscape. For recreational history, the map traces the Pacific Crest National Scenic Trail as it winds across Cleghorn Ridge and through Cajon Pass. The presence of Lost Lake and various springs highlights the vital water points in an otherwise arid and formidable terrain.