The Yp Desert is a desert and ecoregion, within the Deserts and xeric shrublands Biome, in Owyhee County, Idaho, and Elko County, Nevada in the northwestern United States.
The Yp Desert lies at the eastern edges of the Owyhee Desert, and is home to the South Fork Owyhee River Recreation Area.
Josephine Reservoir, a small reservoir, Hat Peak, and the Duck Valley Indian Reservation are at the eastern perimeter of the Yp Desert.
- Nevada Atlas and Gazetteer, 2001, pg. 22
Coordinates: 42°00′N 116°40′W / 42.000°N 116.667°W