
Wenaha River and Grande Ronde River dominate this remote landscape along the border of Washington and Oregon. Mapped in the mid-1960s with 1980s updates, the region is defined by its deep canyons and high ridges, including Grizzly Bear Ridge and Hoodoo Ridge. The survey meticulously documents the network of water sources essential for this high-country environment, such as Huntit Spring, Mosier Spring, and Thorn Springs. Much of the territory falls within the Umatilla National Forest and the Wallowa-Whitman National Forest, with a significant portion dedicated to the Wenaha-Tucannon Wilderness. Access is limited to trails and unimproved roads, with the Wenaha River Trail following the waterway through the heart of the canyon. Notable landmarks like Squaw Falls and Round Meadow provide specific points of reference in this densely forested and deeply incised terrain.
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3 editions found
1937 · Pomeroy
USGS Topo · 1:96,000
1942 · Pomeroy
USGS Topo · 1:125,000
1955 · Pullman
USGS Topo · 1:250,000
1955 · Grangeville
USGS Topo · 1:250,000
1958 · Pullman
USGS Topo · 1:250,000
1959 · Grangeville
USGS Topo · 1:250,000
1967 · Fry Meadow
USGS Topo · 1:24,000
1967 · Eden
USGS Topo · 1:24,000
1967 · Elbow Creek
USGS Topo · 1:24,000
1967 · Oregon Butte
USGS Topo · 1:24,000