
The Grenadier Range and the Needle Mountains dominate this high-elevation region of the Colorado Rockies, situated within the San Juan National Forest and Rio Grande National Forest. The landscape is defined by its sheer verticality, featuring a series of named summits such as Storm King Peak, Vestal Peak, and Monitor Peak. The Continental Divide winds through the northern portion of the map, serving as the primary hydrological divide for the area. Water features are primarily high-altitude tarns and drainages, including Eldorado Lake, Sunlight Lake, and the headwaters of Vallecito Cr. This 2022 survey documents the intricate network of alpine trails used for backcountry travel, such as the Continental Divide National Scenic Trl and the Vallecito Trl, which follow the deep glaciated valleys between the jagged massifs.
76 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.
1897 · Silverton
USGS Topo · 1:62,500
1900 · Needle Mountains
USGS Topo · 1:62,500
1901 · Silverton
USGS Topo · 1:62,500
1902 · Needle Mountains
USGS Topo · 1:62,500
1902 · Silverton
USGS Topo · 1:62,500
1905 · San Cristobal
USGS Topo · 1:125,000
1907 · San Cristobal
USGS Topo · 1:125,000
1945 · Durango
USGS Topo · 1:250,000
1953 · Durango
USGS Topo · 1:250,000
1954 · Durango
USGS Topo · 1:250,000