The Chatanika River is a river located in Alaska, flowing through the interior region of the state. It is a tributary of the Tanana River, which eventually joins the Yukon River. The river is known for its clear waters and scenic surroundings, making it a popular spot for outdoor activities such as fishing and kayaking. The Chatanika River is approximately 30 miles long and originates from the Chatanika Glacier. It plays a significant role in the local ecosystem, supporting various wildlife species. The river's banks are often lined with lush vegetation, providing habitat for birds and other animals.