Townsbury is an unincorporated community located within Liberty Township in Warren County, in the U.S. state of New Jersey.

[1][2] Townsbury is located on U.S. Route 46, approximately 12 mi (19 km) west of Hackettstown.

[4] A line of the Lehigh and Hudson River Railway passed through Townsbury.

[5] The abandoned railbed now forms the Pequest Wildlife Management Area Trail, a recreational rail trail between Townsbury and Buttzville.

This Warren County, New Jersey state location article is a stub.