Gitwangak Battle Hill National Historic Site, formerly known as Kitwanga Fort National Historic Site is a National Historic Site of Canada located at Kitwanga, British Columbia in the Skeena Country of Northwestern British Columbia, Canada. The reserve now called 'Gitwangax'. This is to distinguish it from the adjacent lumber milling town, Kitwanga. 'Battle Hill' was an 18th-century earthwork fortress, located in Kitwanga. The site includes a trail with interpretive signs.