The Yellowstone River is a major river in the United States, flowing through the states of Wyoming, Montana, and North Dakota. It is approximately 692 miles long, making it one of the longest rivers in the country. The river originates in Yellowstone National Park and is known for its stunning scenery, including canyons, waterfalls, and diverse wildlife. The Yellowstone River is an important waterway for both ecological and recreational purposes. It supports various fish species, including trout, and offers activities such as fishing, rafting, and kayaking. The river also plays a crucial role in the local ecosystem, providing habitat for numerous plants and animals.