Star Valley is located in the United States between the Salt River Range in western Wyoming and the Webster Range of eastern Idaho. The altitude of the valley ranges from to . Three major Wyoming rivers, the Salt River, the Greys River and the Snake River meet near Alpine Junction at Palisades Reservoir. Numerous towns are located in the valley, including Afton, Thayne, Bedford, Etna, Smoot, Fairview, Osmond, Freedom, Grover, Auburn, Alpine, Nordic, Turnerville and Star Valley Ranch. Star Valley was settled in the late 1870s by Mormon pioneers. Primary sources indicate Star Valley was proclaimed the "Star of All Valleys" for its natural beauty by a general authority of The Church of Jesus Christ of Latter-day Saints (LDS Church). The name was later shortened to Star Valley. Another less supported theory about the origin of the name comes from Starvation (Starve) Valley, a name the area gained during bitter winters in the late 1880s. In the March 1889, over of snow fell in two days.