The River Ettrick is a river located in the southern part of Scotland, primarily flowing through the region of Scottish Borders. It is approximately 30 miles long and is a tributary of the River Tweed. The river is known for its scenic beauty, winding through valleys and hills, and is popular for activities such as fishing and walking along its banks. The Ettrick Valley, through which the river flows, is rich in history and natural landscapes. The river's source is near the village of Ettrickbridge, and it eventually joins the River Tweed near the town of Selkirk. The area surrounding the river is characterized by lush greenery and diverse wildlife, making it a significant ecological zone.