Portrait view of colorful aspen trees in the Cottonwood Pass Area. Cottonwood Pass (elevation 12,126 feet is a high mountain pass in the Rocky Mountains of south-central Colorado, United States. It is located near the border of Gunnison and Chaffee counties in Colorado and is in the Sawatch Range. The area surrounding the pass is mostly forest, with the San Isabel National Forest to the east and the Gunnison National Forest to the west. […]