 Wetumpka is located southwest of the center of Elmore County at (32.540972, −86.207726), and sits on both sides of the Coosa River northeast of its confluence with the Tallapoosa River, where they merge to become the Alabama River.The city is situated astride the Fall Line, where the Appalachian foothills give way to the flat Gulf Coastal Plain.The city is located along many major US and state routes, notably U.S. Route 231, which runs east of downtown, leading north 28 mi (45 km) to Rockford and south 18 mi (29 km) to downtown Montgomery.