Lost River and its numerous high-altitude tributaries carve through this section of the Cascade Range, defining a landscape of isolated peaks and alpine basins. The area is characterized by significant topographic relief, where water features like Johnny Lakes and Rampart Lake sit tucked beneath prominent summits. Human presence in this wilderness is minimal, represented by the remote Clints Cabin and the established Hoot Owl Camp. High-elevation passes such as Lucky Pass and Pistol Pass provide the only navigable routes through the complex terrain of Rampart Ridge. The map details a hydrographic network including Ptarmigan Creek and Auburn Creek, illustrating the drainage patterns that feed the river system below. Named peaks like Nanny Goat Mountain and Many Trails Peak serve as primary landmarks for navigation and land management.
30 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.
1920 · Slate Pass
USGS Topo · 1:125,000
1955 · Concrete
USGS Topo · 1:250,000
1958 · Concrete
USGS Topo · 1:250,000
1962 · Concrete
USGS Topo · 1:250,000
1962 · Mazama
USGS Topo · 1:62,500
1963 · Robinson Mtn.
USGS Topo · 1:24,000
1969 · Lost Peak
USGS Topo · 1:24,000
1969 · Ashnola Mtn
USGS Topo · 1:24,000
1969 · Tatoosh Buttes
USGS Topo · 1:24,000
1969 · Billy Goat Mtn
USGS Topo · 1:24,000