Pioneer Mountains high peaks dominate this part of the Beaverhead National Forest, where the terrain is defined by dramatic elevation changes and a dense network of alpine water bodies. Significant summits including Tweedy Mtn, Torrey Mtn, and Barb Mtn form a high-altitude backbone that feeds numerous drainages such as Gorge Creek and Birch Creek. The hydrology is remarkably dense, featuring clusters of small lakes like Gorge Lakes, Glacier Lake, and Minneopa Lake tucked into glacial cirques. This landscape shows a clear division between the high wilderness peaks and the lower-elevation access provided by routes like Birch Creek Road and Mule Creek Road. The map also details early land divisions and named topographical features like Sawlog Gulch and Armstrong Gulch, which suggest the historic importance of timber and drainage management in this corner of Beaverhead County.
59 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · Dillon
USGS Topo · 1:250,000
1952 · Twin Adams Mountain
USGS Topo · 1:24,000
1952 · Argenta
USGS Topo · 1:24,000
1952 · Torrey Mountain
USGS Topo · 1:24,000
1952 · Ermont
USGS Topo · 1:24,000
1955 · Dillon
USGS Topo · 1:250,000
1957 · Dillon
USGS Topo · 1:250,000
1958 · Dillon
USGS Topo · 1:250,000
1958 · Vipond Park
USGS Topo · 1:62,500
1959 · Polaris
USGS Topo · 1:62,500