New River is a 31 miles (49.9 km) tributary of the Santa Fe River in northern Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

, USA. The river was used as the border to create Union County

Union County, Florida

Union County is a county located in the state of Florida. The U.S. Census Bureau 2005 estimate for the county was 14,916. The county seat is Lake Butler.- History :...

 from Bradford County

Bradford County, Florida

Bradford County is a county located in the U.S. state of Florida. As of 2000, the population was 26,088. The 2005 U.S. Census Bureau estimate for the county was 28,118 . Its county seat is Starke, Florida. Bradford County is the home of the Florida State Prison as well as several other state...

 (formerly New River County, Florida) in 1921.

The Palatka-Lake Butler State Trail

Palatka-Lake Butler State Trail

The Palatka-Lake Butler State Trail corridor stretches nearly 47 miles from the vicinity of SR 238 in Lake Butler, Florida to west of US 17 in Palatka, Florida...

, a multi-use recreational trail that includes a portion of the Florida National Scenic Trail

Florida National Scenic Trail

One of eleven National Scenic Trails in the United States, the Florida Trail is a footpath spanning from Big Cypress National Preserve to Fort Pickens at Gulf Islands National Seashore, Pensacola Beach...

, will, when completed, cross the New River southeast of the town of Lake Butler. The Florida Trail currently crosses the New River along Florida State Road 100.

There is another New River

New River (Broward County, Florida)

The New River is a river in South Florida, USA. The river originates in the Everglades and flows east. After passing through Fort Lauderdale, the river enters the Atlantic Ocean at Port Everglades cut. The river is entirely within Broward County and is composed from the junction of three main...

 in South Florida.