The Merizo Bell Tower, on Guam Highway 4 in Merizo, Guam, is a bell tower that was built in 1914 or 1919. It was listed on the U.S. National Register of Historic Places in 1975.The tower is 7.3 metres (24 ft) tall and sits on a 4 metres (13 ft) square base; it is built of a "heavy masonry called manposteria consisting of stone with mortar covered with cement plaster".