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2020 Map of Crazy Peak

Name: 2020 Topographic Map of Crazy Peak
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Gallatin National Forest dominates this alpine landscape, where the high ridges of the Crazy Mountains form a dramatic natural boundary between Park and Sweet Grass counties. The terrain is defined by a series of prominent summits, including the namesake Crazy Peak and the nearby Big Timber Peak. Glacial activity has carved deep basins throughout the area, resulting in a dense network of high-altitude water bodies such as Sunlight Lake, Diamond Lake, and the tucked-away Hidden Lake.

Drainage patterns radiate from these peaks, with the Sweet Grass Creek system flowing northeast and the Big Timber Creek headwaters descending through Big Timber Canyon. The map reveals the intricate alpine hydrology of the range, noting specific features like Thunder Rapids between Blue Lake and Thunder Lake. This high-country survey captures a wilderness environment where naming conventions often reflect the local geology, as seen in landmarks like Granite Peak and Rock Lake.