The Thun-Hardburg Canal is a waterway located in Switzerland, connecting the Lake Thun to the Aare River. This canal plays a crucial role in facilitating navigation and managing water levels in the region. It was constructed in the 19th century and has since been an important route for both commercial and recreational boating. The canal is approximately 3.5 kilometers long and features several locks that help boats navigate the elevation changes between the lake and the river. It also contributes to the local ecosystem by providing habitats for various aquatic species, making it a significant environmental feature in the area.