Banner Summit serves as a high-elevation topographical anchor along the border of Boise and Custer Counties. This mountainous landscape is dominated by the overlapping boundaries of the Challis National Forest and Boise National Forest, featuring a dense network of alpine drainages such as Cape Horn Cr and Marsh Cr. Local landmarks including Copper Mtn and the Thatcher Creek Overlook provide orientation for those navigating the rugged backcountry roads, specifically Bear Valley Rd and Cape Horn Rd.
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1891 · Bear Valley
USGS Topo · 1:125,000
1893 · Bear Valley
USGS Topo · 1:125,000
1957 · Challis
USGS Topo · 1:250,000
1960 · Challis
USGS Topo · 1:250,000
1963 · Challis
USGS Topo · 1:250,000
1972 · Bull Trout Point
USGS Topo · 1:24,000
1972 · Langer Peak
USGS Topo · 1:24,000
1972 · Banner Summit
USGS Topo · 1:24,000
1972 · Stanley Lake
USGS Topo · 1:24,000
1972 · Eightmile Mtn
USGS Topo · 1:24,000