New River (Santa Fe River)
 New River is a 31-mile-long (50 km) tributary of the Santa Fe River in northern Florida USA. The river was used as the border to create Union County from Bradford County (formerly New River County Florida) in 1921.The Palatka-Lake Butler State Trail a multi-use recreational trail that includes a portion of the Florida National Scenic Trail will when completed cross the New River southeast of the town of Lake Butler.