
Hells Canyon dominates this landscape along the Oregon-Idaho State Line, where the descent toward the Snake River defines the topography of the Wallowa National Forest. In this 1990 survey, the high-altitude remote character of the region is evident through the network of forest infrastructure and recreational landmarks. The Memaloose Guard Sta and nearby Memaloose Landing Strip serve as focal points for forest management atop the ridges. Several campsites, including Sacajawea Campground and Hat Point Campground, are positioned near prominent overlooks like Hat Point and Granny View Point. The drainage patterns of Temperance Creek, Sluice Creek, and Indian Grave Creek carve through the massive ridges, while the Western Rim National Recreation Trail provides a continuous path along the canyon's edge, connecting diverse geologic features from Freezeout Saddle to the Sluice Creek Saddle.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · He Devil
USGS Topo · 1:48,000
1954 · Imnaha
USGS Topo · 1:62,500
1954 · Kernan Point
USGS Topo · 1:62,500
1954 · Harl Butte
USGS Topo · 1:62,500
1955 · Grangeville
USGS Topo · 1:250,000
1957 · He Devil
USGS Topo · 1:62,500
1959 · Grangeville
USGS Topo · 1:250,000
1980 · Grangeville
USGS Topo · 1:100,000
1987 · Riggins
USGS Topo · 1:100,000
1990 · Imnaha
USGS Topo · 1:24,000