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2018 Map of Loon Lake

Name: 2018 Topographic Map of Loon Lake
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

Eldorado National Forest defines the high-country landscape of this El Dorado County quadrangle, where water management and backcountry recreation intersect. The northern reach is dominated by Loon Lake, while the southwest corner reveals the upper portion of the Union Valley Reservoir. These reservoirs are connected by a network of drainage systems including the S Fork Rubicon River, Bassi Fork, and Big Silver Cr.

High-altitude landmarks such as Tells Peak, Red Peak, and Sun Rock provide orientation for those navigating the extensive trail system. Names like the Millionaire Trail and Shadow Trail suggest the area's long history as a destination for outdoor exploration. Small settlements and camps, including Wench Flat and Robbs Valley, are scattered across the terrain, reflecting the seasonal and utility-based human footprint in this mountainous region.