Dudley Bluffs
Location: Rio Blanco CountySize: 1620 acresDesignated: March 1988 Land Manager: Bureau of Land Management
Dudley Bluffs is an outcrop of the thirteen mile Tongue of the Green River Formation, which supports populations of two threatened plant species, Physaria obcordata (Piceance twinpod) and Lesquerella congesta (Dudley Bluffs bladderpod). Remnants of high quality pinion pine - Utah juniper woodlands and cold desert shrublands also occur at Dudley Bluffs.