The Collie River is located in the southwestern region of Western Australia. It flows for approximately 110 kilometers, starting from the Collie Range and eventually joining the Leschenault Estuary. The river is known for its scenic beauty and is surrounded by lush forests and farmland. The Collie River is an important water source for the local community and supports various recreational activities such as fishing, kayaking, and hiking. It also plays a role in the region's ecology, providing habitat for diverse wildlife and contributing to the health of the surrounding environment.