The Cache La Poudre River is a river located in northern Colorado, flowing through the picturesque Rocky Mountain National Park. It is approximately 126 miles long and is known for its clear waters and diverse ecosystems, making it a popular destination for outdoor activities such as fishing, kayaking, and hiking. The river originates in the Never Summer Mountains and eventually joins the South Platte River. It plays a crucial role in the local environment and economy, providing water for agriculture and serving as a habitat for various wildlife species. The Cache La Poudre River National Heritage Area highlights its historical and cultural significance.