The Chilly Slough is a popular destination located in the Big Lost watershed of Idaho. It is known for its crystal-clear waters and unique geological formations. The slough is a tributary of the Big Lost River, and it provides a habitat for a variety of wildlife, including trout and various bird species. Visitors can enjoy fishing, hiking, bird watching, and camping in the area. The Chilly Slough is also famous for its beautiful scenery, making it a great spot for photography enthusiasts. The area is surrounded by mountains and has a peaceful atmosphere, making it a perfect destination for those looking to escape the hustle and bustle of city life.

One of the unique things about Chilly Slough is the presence of hot springs in the area. The hot springs are located on the banks of the river, providing visitors with an opportunity to relax and unwind in the warm water. Additionally, visitors can witness a variety of geological formations, including fossilized clam shells, which are millions of years old. The area is also home to several rare plants and animals, such as the sagebrush lizard and the pronghorn antelope. Overall, Chilly Slough is an excellent destination for those looking to enjoy the beauty of nature and experience the unique geological formations and wildlife of Idaho.