The Old Fresno Water Tower is a historic water tower in Fresno, California. It is listed on the National Register of Historic Places. Designed by George Washington Maher, the tower was completed in late 1894. It ceased operation in 1963 and has served as a visitors' center since 2001.

Fresno is a major city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County and the largest city in the greater Central Valley region. It covers about 115 square miles (300 km2) and had a population of 542,107 as of the 2020 Census, making it the fifth-most populous city, in California, the most populous inland city in California, and the 34th-most populous city in the nation.