Eastern Idaho is the area of Idaho lying east of the Magic Valley region. Much of the region is in the Mormon Corridor, and the Church of Jesus Christ of Latter-day Saints plays a major role in the lives of the region's residents.

Grand Targhee Resort is a ski resort in the western United States, located in western Wyoming in the Caribou-Targhee National Forest, near Alta, the closest town to the resort. It is 42 miles (68 km) northwest of Jackson and is accessible only from the west, through Driggs, Idaho. The border with Idaho is less than five miles due west.