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2022 Map of Pacifico Mountain

Name: 2022 Topographic Map of Pacifico Mountain
Creator: U.S. Geological Survey
Published: 2022
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2022

About this map

Angeles National Forest dominates this high-elevation landscape, where the ridges of the San Gabriel Mountains drop northward toward the Mojave Desert. The topography is defined by significant landmarks like Pacifico Mtn and Mill Creek Summit, serving as a critical junction for the Pacific Crest National Scenic Trail. Water sources in this arid environment are sparse but notable, including Kentucky Springs and Aliso Spring, while the Santa Clara River and Little Rock Wash drain the complex network of canyons.

Evidence of historical land use and infrastructure is found in the network of service roads such as Ghost Mine Rd and the Pacific Telephone Access Rd. These routes, alongside fire-management paths like the Santiago Truck Trl, connect the high peaks of Mt Emma and Roundtop Ridge to the lower elevation Soledad Canyon. The survey highlights the transition between mountain and desert, providing a detailed record of the trails and summits that define this part of Los Angeles County.