The Lost River Range and Challis National Forest dominate this landscape on the border of Custer and Butte Counties. The terrain is defined by a deep network of drainage systems, including Blue Jay Canyon, Rocky Canyon, and Maddock Canyon. Water management is evident in the lower elevations through several named irrigation channels such as Hanson Ditch, Burnett Ditch, and Fury Ditch, which redirect flow from mountain sources to the valley floor. High-altitude landmarks like Invisible Mtn and Bear Creek Lake are accessible via the Bear-Wet Creek Trail, illustrating the remote character of this wilderness area. The primary north-south artery, Pass Creek Rd, follows the course of Pass Creek through the central canyon corridor, providing a singular path through the steep topographic relief of the region.
40 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.
1935 · MacKay
USGS Topo · 1:96,000
1935 · Borah Peak
USGS Topo · 1:125,000
1938 · Borah Peak
USGS Topo · 1:125,000
1940 · Mackay
USGS Topo · 1:62,500
1955 · Dubois
USGS Topo · 1:250,000
1955 · Idaho Falls
USGS Topo · 1:250,000
1957 · Hawley Mountain
USGS Topo · 1:62,500
1958 · Dubois
USGS Topo · 1:250,000
1958 · Idaho Falls
USGS Topo · 1:250,000
1960 · Mackay
USGS Topo · 1:62,500