Cathedral is a census-designated place (CDP) located in and governed by Hinsdale County, Colorado, United States.

The population of the Cathedral CDP was 15 at the United States Census 2020.

[3] The Powderhorn post office (Zip Code 81243) serves the area.

[4] Cathedral is located in the northeast corner of Hinsdale County on the east side of Cebolla Creek, a north-flowing tributary of the Gunnison River.

County Road 50 leads southwest (upstream) 15 miles (24 km) to Colorado State Highway 149 at Slumgullion Pass, from which point Lake City, the Hinsdale County seat, is 9 miles (14 km) to the northwest.