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2024 Map of Thunderbolt Mountain

Name: 2024 Topographic Map of Thunderbolt Mountain
Creator: U.S. Geological Survey
Published: 2024
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2024

About this map

The high peaks of the Swan Range dominate this landscape, forming a dramatic boundary between Flathead National Forest and the Bob Marshall Wilderness. This area is defined by its verticality and water, where summits like Thunderbolt Mtn, Gildart Peak, and Warrior Mtn overlook a complex network of drainages. High-altitude basins contain alpine waters such as Bunker Lake and the Inspiration Lakes, which feed into the South Fork Lost Creek and Middle Fork Creek systems.

Human presence is limited to a sparse network of trails and service routes, including the Alpine-7 Trl and the Soup Creek Trl, which navigate the steep terrain near Inspiration Pass. The map highlights the transition from managed forest lands to protected wilderness, centered on the divide where Inspiration Point and Napa Point provide vantage points over the massive glacial valleys of Lake and Flathead Counties.