U.S. Highway 34 Business serves Estes Park, Colorado.

The business route splits from the main route east of the Rocky Mountain National Park Fall River Entrance Station,[3] in the western city limits of Estes Park and enters town on West Elkhorn Avenue.

The main route continues around the northern edge of Estes park on Wonderview Avenue, passing a large number of motels.

At Moraine Avenue, It joins US 36 in downtown Estes Park.

[2] The entire route is in Estes Park, Larimer County.