Wain Wath Force is a waterfall on the River Swale in the Yorkshire Dales National Park, North Yorkshire, England. The falls are at grid reference NY883015, 0.6 miles (1 km) upstream from the hamlet of Keld which has three other waterfalls in its vicinity. The names of waterfalls in the north of England often contain "force" after the Old Norse word foss, which means "waterfall".