John Gunnison Expedition - 1853

Historic black and white photo of John Gunnison
Captain John Gunnison

History Colorado

The John C. Fremont expeditions were followed in 1853 by Captain John Gunnison of the US Topographical Survey. Gunnison’s party crossed the dunefield on horseback, but in summer: "Turning the southern base of the sand-hills, over the lowest of which we rode for a short distance, our horses half burying their hoofs only on the windward slopes, but sinking to their knees on the opposite, we for some distance followed the bed of the stream from the pass, now sunk in the sand, and then struck off across the sandy plain…The sand was so heavy that we were six hours and a half in making ten miles…"

Last updated: August 30, 2023

Park footer

Contact Info

Mailing Address:

Visitor Center
11999 State Highway 150

Mosca, CO 81146

Phone:

719 378-6395
Great Sand Dunes Visitor Center main number

Contact Us