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2021 Map of Collins Valley

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

USGS Topo · Published 2021

About this map

The San Bernardino National Forest dominates the northern reaches of this map, transitioning into the complex desert topography of the San Diego County and Riverside County border. This desert landscape is defined by the broad expanse of Collins Valley, where the ephemeral waters of Coyote Cr navigate through deep incisions like Coyote Canyon and Salvador Canyon. The presence of Middle Willows and Lower Willows suggests critical riparian oases within this arid environment, historically significant as water sources and travel waypoints.

Evidence of established backcountry travel is clear through the Coyote Canyon Trl and Hidden Springs Trl, which connect remote features such as Jackass Flat and Hidden Spring. The rugged relief is punctuated by distinct landmarks like Monkey Hill and the towering Santa Rosa Mountains, while numerous drainages including Rockhouse Canyon and Alder Canyon illustrate the geological processes shaping this high-desert terrain.