Frank Church–River of No Return Wilderness

The Frank Church–River of No Return Wilderness is a vast, protected area in central Idaho, United States. It is the largest wilderness area in the contiguous 48 states, encompassing over 2.3 million acres. This region is characterized by rugged mountains, deep canyons, and pristine rivers, including the Salmon River.

The wilderness is a critical habitat for diverse wildlife, including grizzly bears, gray wolves, elk, and bighorn sheep. Its extensive forests are dominated by species like ponderosa pine, Douglas fir, and lodgepole pine. The area is renowned for its recreational opportunities, such as hiking, hunting, and whitewater rafting, while commercial activities like logging and mining are prohibited to preserve its natural state.12