
Hells Canyon defines the western edge of this landscape, where the Snake River is harnessed by the Hells Canyon Dam, creating the long expanse of the Hells Canyon Reservoir. The Idaho side of the canyon in Adams County is a vertical landscape of sharp ridges and deep gulches, including Haley Ridge and the prominent peak of White Monument.
54 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.
1920 · Seven Devils Mining District
USGS Topo · 1:48,000
1922 · He Devil
USGS Topo · 1:48,000
1954 · Harl Butte
USGS Topo · 1:62,500
1955 · Grangeville
USGS Topo · 1:250,000
1957 · He Devil
USGS Topo · 1:62,500
1957 · Cuprum
USGS Topo · 1:62,500
1957 · Homestead
USGS Topo · 1:62,500
1959 · Grangeville
USGS Topo · 1:250,000
1987 · Riggins
USGS Topo · 1:100,000
1990 · Puderbaugh Ridge
USGS Topo · 1:24,000