State Park · New Jersey

Allamuchy Mountain State Park

Location: Warren County, New Jersey
Nearest town: 4 miles west of Stanhope
Type: State Park

About Allamuchy Mountain State Park

Spanning parts of Allamuchy Township and Byram Township, this park sits within the Allamuchy Mountain region and is managed by the New Jersey Division of Parks and Forestry. The northern section holds more than 20 miles of unmarked trails, alongside 14 miles of marked multi-use trails for hiking or riding. The land supports a network suited to longer backcountry travel as well as shorter, signed routes.

Hours, fees, camping, reservations and closures are set by the park and change often. Check the official park site before you go.

Getting there

Allamuchy Mountain State Park is in Warren County, New Jersey, 4 miles west of Stanhope. The Directions button takes you to the park's mapped location; the entrance may be elsewhere, so check the official site for the address to use.

State parks near Allamuchy Mountain State Park

Within 60 miles, closest first, straight-line. All 31 in New Jersey →

Towns near Allamuchy Mountain State Park

State parks near Randolph, State parks near East Stroudsburg, State parks near Wayne, State parks near Easton, State parks near Edison, State parks near Middletown

Facts from Wikidata, checked September 25, 2026. Distances are straight-line.