The Swannanoa River ends at its confluence with the French Broad, now within the grounds of the 8,000-acre Biltmore Estate in Asheville.
At one time there was plowing in the area, reducing the height of the mound, but it is distinguished by a much wider, oval-shaped base.
[6] The river is 22 miles or 35 kilometers long, and it flows entirely within the geographical boundaries of Buncombe County.
It is a valuable resource to the county, providing drinking water to the Asheville metropolitan area, and numerous recreational opportunities.
In September of 2024, the river overflowed into Asheville resulting in devastating floods due to Hurricane Helene.