The Firehole River is a prominent waterway located in Yellowstone National Park, Wyoming. It flows for approximately 30 miles, starting from the confluence of the Madison River and the Gibbon River. The river is known for its unique geothermal features, including hot springs and geysers, which contribute to its warm water temperatures. The Firehole River is popular for recreational activities such as fishing, kayaking, and swimming. Its scenic beauty attracts many visitors, who enjoy the surrounding landscapes and wildlife. The river is also home to various fish species, making it a favored spot for anglers seeking a diverse fishing experience.