Challis National Forest is located in central Idaho and is known for its rugged mountainous terrain, pristine rivers, and diverse wildlife. The forest covers an area of over 2.5 million acres, and visitors can enjoy a variety of activities, including hiking, fishing, camping, and wildlife watching.

One of the main attractions in Challis National Forest is the Salmon River, which is a popular destination for whitewater rafting and fishing. The forest is also home to several hot springs, including Goldbug Hot Springs and Jerry Johnson Hot Springs, which offer a relaxing and scenic soak.

Other points of interest in the forest include the historic mining town of Custer, the scenic drive along the Ponderosa Pine Scenic Byway, and the stunning views from the top of the Lost River Range.

Interesting facts about Challis National Forest include that it is home to the largest herd of bighorn sheep in the state, and that it contains over 2,000 miles of trails. The forest also includes several designated wilderness areas, including the Frank Church-River of No Return Wilderness, which is the largest wilderness area in the lower 48 states.

The best time of year to visit Challis National Forest depends on the activities you plan to do. Summer is the most popular time for outdoor recreation, but fall offers spectacular foliage and hunting opportunities, while winter provides excellent opportunities for snowmobiling and skiing.