The Arthur River is a river located in the northwest region of Tasmania, Australia. It flows through the rugged landscapes of the Tasmanian Wilderness World Heritage Area, known for its stunning natural beauty and diverse ecosystems. The river is approximately 30 kilometers long and is a popular spot for fishing, kayaking, and exploring the surrounding wilderness. The river's source is in the Arthur Range, and it eventually empties into the Southern Ocean. The area around the river is rich in wildlife, including various bird species and native plants. The Arthur River is also significant for its historical connections to the timber industry in Tasmania.