The Big Snowy Mountains dominate this high-elevation landscape within the Lewis & Clark National Forest in central Montana. Anchored by the iconic Crystal Lake, the area is defined by sharp relief and the headwaters of numerous mountain streams. Significant peaks like Mt Harlow and West Peak rise above the surrounding canyons and gulches, including Browns Gulch and West Gulch. The transport network is minimal, centered on Crystal Lake Rd which provides access to the shoreline and higher elevations such as Lost Horse Pass. This topographic record illustrates the drainage patterns of the eastern front, where water flows from the high snowfields into systems like Ross Fork Cr and Big Rock Cr. The map reveals a wild, roadless character typical of the Snowy range, marked by deep coulees and traditional mountain passes.
24 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Big Snowy Mountain
USGS Topo · 1:250,000
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1954 · Roundup
USGS Topo · 1:250,000
1958 · Roundup
USGS Topo · 1:250,000
1970 · Crystal Lake
USGS Topo · 1:24,000
1970 · Moore
USGS Topo · 1:24,000
1970 · West Fork Beaver Creek
USGS Topo · 1:24,000
1970 · Moore SW
USGS Topo · 1:24,000
1970 · Castle Butte
USGS Topo · 1:24,000
1970 · Jump Off Peak
USGS Topo · 1:24,000