
Stemple Pass serves as a critical high-altitude waypoint within the Lewis and Clark Range, marking the transition between the watershed of Virginia Creek and the northwestern flow of the Blackfoot River. Located within the Helena National Forest, this mountainous terrain is defined by its network of high ridges and drainage basins. The Continental Divide National Scenic Trl snakes along the crest of the range, intersecting with secondary routes like the Rooster Bill Trl.
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1889 · Helena
USGS Topo · 1:250,000
1893 · Helena
USGS Topo · 1:250,000
1899 · Helena
USGS Topo · 1:250,000
1903 · Coopers Lake
USGS Topo · 1:125,000
1903 · Helena
USGS Topo · 1:250,000
1943 · Hogan
USGS Topo · 1:125,000
1947 · Butte
USGS Topo · 1:250,000
1955 · Choteau
USGS Topo · 1:250,000
1957 · Choteau
USGS Topo · 1:250,000
1958 · Butte
USGS Topo · 1:250,000