Browse Map

Explore away

Explore Map Collection

Check out our basemaps

Print a Map Plus

Generate a high-quality PDF

Field Guide

Discover local flora, fauna, geology, and more

Local Flora & Fauna

Learn the ecology of your area

Local Geology

Learn the geologic formation at your feet

Get Started or Sign In

Welcome

Continue with Apple

Already have an account? Sign In

MAP

Topo

Measure

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Cumbres Pass

Mountain Pass on Cumbres Road in Rio Grande NF, Rocky Mountains near Chama, CO

Print Map

Generate High-Quality PDF

On the Web

On Wikipedia

Cumbres Pass, elevation 10,022 ft (3,055 m), is a mountain pass in the San Juan Mountains in Colorado, United States. The pass is traversed by State Highway 17 and the Cumbres and Toltec Scenic Railroad. The highway has a moderate 5.8% approach on the north side and a gentler, 4% approach on the south side. It is rarely closed in winter and does not normally cause problems for vehicles, since the road is not a major through highway. The railroad line was built in the early 1880s by the Denver & Rio Grande Railroad as part of their San Juan Extension line from Alamosa, Colorado to Durango, Colorado. The railroad has a steep (for a railroad) 4% grade approaching from the west, so additional helper locomotives were usually run (and often still are) on trains from Chama to Cumbres Pass. The…

Classified As

Mountain Pass