
Irrigon Fish Hatchery stands as a significant point of infrastructure within a landscape defined by the intersection of the Wallowa National Forest and the Hells Canyon National Rec Area. The terrain is deeply incised by drainages such as Little Sheep Creek and Big Sheep Creek, which flow through high-elevation corridors like Clear Lake Ridge and Devils Ridge. These natural features, alongside Dead Horse Ridge, demonstrate the complex hydrological patterns of Wallowa County. Several small water bodies, including Clear Lake, Dead Horse Lake, and Downey Lake, are distributed across the high ground, connected by a network of forest roads like Nat For Dev Rd 900. The presence of named gulches such as Devils Gulch and Bear Gulch suggests a history of localized land use and exploration in this high-country environment.
37 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Imnaha
USGS Topo · 1:62,500
1954 · Harl Butte
USGS Topo · 1:62,500
1955 · Grangeville
USGS Topo · 1:250,000
1957 · Joseph
USGS Topo · 1:62,500
1957 · Elk Mountain
USGS Topo · 1:62,500
1959 · Grangeville
USGS Topo · 1:250,000
1980 · Grangeville
USGS Topo · 1:100,000
1982 · Wallowa
USGS Topo · 1:100,000
1986 · Enterprise
USGS Topo · 1:100,000
1987 · Riggins
USGS Topo · 1:100,000