Dudley Bluffs

Location: Rio Blanco County
Size: 1620 acres
Designated: 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.