Mount Zwischen is a prominent mountain summit in the Sangre de Cristo Range of the Rocky Mountains of North America. The 12,011-foot peak is located 32.1 miles northeast of the City of Alamosa, Colorado, United States, on the drainage divide separating the Great Sand Dunes Wilderness in Great Sand Dunes National Preserve and Huerfano County from the Sangre de Cristo Wilderness in San Isabel National Forest and Saguache County.