
The Sierra Nevada divide defines the character of this high-altitude landscape, where the boundary between Yosemite National Park and Inyo National Forest follows the jagged ridgeline of the Kuna Crest. This alpine terrain is marked by ancient glacial pathways such as Bloody Canyon, providing a throughway from Walker Lake up toward Mono Pass. The topography reveals a complex network of high-elevation lakes including Helen Lake, Gem Lake, and the Lost Lakes, which feed the drainages of Rush Creek and Parker Creek. Hikers and researchers can trace the legendary Pacific Crest National Scenic Trail as it crosses Donohue Pass, a critical transition point between watersheds. The map also documents several historic mountain passes, such as Parker Pass and Koip Peak Pass, illustrating the traditional routes used to navigate this section of the central Sierra.
56 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.
1901 · Mt. Lyell
USGS Topo · 1:125,000
1947 · Mariposa
USGS Topo · 1:250,000
1948 · Mariposa
USGS Topo · 1:250,000
1953 · Merced Peak
USGS Topo · 1:62,500
1953 · Mono Craters
USGS Topo · 1:62,500
1953 · Devils Postpile
USGS Topo · 1:62,500
1956 · Tuolumne Meadows
USGS Topo · 1:62,500
1957 · Mariposa
USGS Topo · 1:250,000
1963 · Mariposa
USGS Topo · 1:250,000
1976 · Yosemite Valley
USGS Topo · 1:100,000