Stephens State Park is a state park in the U.S. state of New Jersey. It is 805 acres (3.26 km²) in area, located in western Morris County, north of Hackettstown along the upper Musconetcong River. The park is operated and maintained by the New Jersey Division of Parks and Forestry.

Stephens State Park
Looking north up the Musconetcong River at Stephens State Park
Stephens State Park Location in New Jersey Show map of New Jersey Stephens State Park Location in United States Show map of the United States
Location	Morris County
Coordinates	40°52′9.06″N 74°48′36.00″W / 40.8691833°N 74.8100000°W / 40.8691833; -74.8100000[1]
Area	163-acre (0.66 km2)
Opened	1937
Operated by	New Jersey Division of Parks and Forestry
Website	Official website

The park includes the remnants of one of the 23 locks, as well as a section of the towpath, of the Morris Canal, built in 1831 to transport anthracite coal from Pennsylvania to New York City.

A 2 miles (3.2 km) section of the Highland Trail runs through the park. The park is a popular destination for recreational trout fishing. The park offers camping facilities during the summer months.