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2015 Map of Picacho

Name: 2015 Topographic Map of Picacho
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

The Colorado River defines the borderland of southeastern California and southwestern Arizona in this mid-2010s survey, carving through a landscape dominated by the Trigo Mountains. The river’s path is marked by sharp meanders such as Three Point Bend and Sleepers Bend, while its floodplain supports a network of backwaters including Island Lake, Red Rock Lake, and Clear Lake. This corridor, where the La Paz Co and Yuma Co lines meet Imperial Co, remains largely defined by its natural drainage systems like Yuma Wash and Red Cloud Wash.

Small pockets of human activity appear along the river, notably at Picacho and the crossing at Whitley Bridge. These sites are linked by unpaved tracks such as Picacho Rd and Inter-Park Rd, which navigate the elevation changes between the riverbanks and landmarks like Rojo Grande. The map captures the complex topography of desert canyons, showing how Devils Canyon and Cane-Break Canyon drain toward the river, illustrating the persistent influence of geology on access and movement in this border region.