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2023 Map of Lake Mathews

Name: 2023 Topographic Map of Lake Mathews
Creator: U.S. Geological Survey
Published: 2023
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2023

About this map

Lake Mathews dominates this portion of Riverside County, serving as a critical reservoir connected to the Colorado River Aqueduct. The surrounding landscape is defined by the sharp transition between residential expansion in Woodcrest and the steep, untamed ridges of the Cleveland National Forest. In the southwest, the industrial and transport corridor of the Temescal Valley is visible, featuring small clusters like Arcilla and Weisel along the Temescal Wash.

This 2023 survey provides a clear view of how modern infrastructure and conservation areas coexist. The map details the rugged topography of the Santa Ana Mountains' foothills, including Estelle Mtn and Monument Peak, alongside the growing suburban networks of El Sobrante. For those interested in local geography, the map traces the intricate canyon systems of Cajalco Canyon and Dawson Canyon that feed into the central basin.