Upalco is an unincorporated community in eastern Duchesne County, Utah, United States.

[1] The community is located in the Uinta Basin on the Uintah and Ouray Indian Reservation, approximately 7.5 miles (12.1 km) southeast of the town of Altamont[2] and has an elevation of 5,755 feet (1,754 m).

[1] Upalco uses the same ZIP code (84007) that is assigned to Bluebell, a census-designated place located about 5.5 miles (8.9 km) to the north.

The name Upalco came from the initial letters of Utah Power and Light Company, which provided funding for an associated, but unidentified project.

)[4][5][Note 1] Road access to Upalco is primarily by State Route 87 (SR-87), which passes north–south through the community.