The Tärna River is a river located in northern Sweden, flowing through the scenic landscapes of the Tärna region. It is known for its clear waters and natural beauty, making it a popular spot for outdoor activities such as fishing and hiking. The river is part of the larger Ume River system, contributing to the area's rich biodiversity. The river's source is found in the Tärnafjällen mountains, where it begins as a small stream and gradually expands as it collects water from surrounding tributaries. The Tärna River eventually joins the Ume River, which flows into the Gulf of Bothnia. This connection plays a vital role in the local ecosystem and supports various wildlife species.