Kanawha Falls is an unincorporated community in Fayette County, West Virginia, United States. Kanawha Falls is located on the east bank of the Kanawha River, 2 miles (3.2 km) southwest of Gauley Bridge and 0.6 miles (0.97 km) downstream from the waterfall of the same name. Kanawha Falls had a post office, which opened on March 26, 1856, and closed on November 2, 2002.