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2021 Map of Cajon

Name: 2021 Topographic Map of Cajon
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

Cajon Pass serves as the dominant geographical and transportation corridor on this sheet, where the Southern Pacific tracks and major highways converge to navigate the gap between the San Gabriel Mountains and the San Bernardino Mountains. Small, established railroad stops and settlements like Alray, Cajon, and Keenbrook are situated along the steep descent through Cajon Canyon. To the north, the transition into the High Desert is marked by the residential growth of Hesperia and Oak Hills atop Baldy Mesa.

The landscape is defined by its transit history and dramatic fault-line topography, featuring Blue Cut and the secluded Lost Lake. Within the San Bernardino National Forest, numerous named canyons such as Lone Pine Canyon and Horsethief Canyon cut through the ridges. This modern survey captures the region's character as both a critical infrastructure bottleneck and a gateway to the Mojave, preserving the location of family-named landmarks like Cosy Dell amidst the complex terrain of Cleghorn Ridge.