Monongahela is the 14th country studio album by American country music group The Oak Ridge Boys, released in 1988 via MCA Records. The album peaked at number 9 on the Billboard Top Country Albums chart. The album includes three singles that charted on Hot Country Songs: "Gonna Take a Lot of River", which reached number 1, followed by "Bridges and Walls" at number 10 and "Beyond Those Years" at number 7.