Allamuchy Mountain State Park is home to Stephens State Park Campground, a developed facility managed by the NJ Division of Parks and Forestry along the Musconetcong River near Hackettstown. The campground runs from April 1 through October 31 and accommodates both tent campers and RVs up to 40 feet, though reviewers note that the road layout and individual sites can be tight for larger rigs. Bigger Class A motorhomes and fifth wheels may have a harder time maneuvering through.
Sites vary in size and configuration, with some set back from the road and shaded by trees. Site 29, noted in one review, had enough room for a large tent and a hammock with space to spare. The Musconetcong River is a short walk downhill from the campground, accessible by stairs or a path, and the state stocks it with trout. Fishing permits are checked on-site. One reviewer noted they could hear the river from camp when things quieted down, though campers should also know the area has some ambient noise from nearby highways, air traffic, and rail lines.
Amenities include free showers with adjustable temperature and continuous water flow, clean bathrooms, a dump station, picnic tables, and a playground and volleyball court. Alcohol is not permitted. Pets are allowed at designated sites, though signage at the entrance may suggest otherwise. Barbara S. described the campsite as "spacious, set back from the road and shady," which aligns with what several reviewers found at the better sites. AT&T users have reported some cell reception; Verizon coverage is less documented. Reservations are available and recommended, as walk-in payment procedures are not clearly posted on-site.
RV Road Trip Guides
Map & DirectionsStephens State Park Campground is located in New Jersey near Hackettstown
Public CampgroundDirections
From Route 80 West - Exit 25 - stay to the left to exit onto Route 206 North. At the 2nd traffic light, make a left onto Waterloo Road (Route 604) and travel 7 miles. Entrance is on your left. From Route 80 East - Exit 19. End of exit ramp, make a left onto Route 517. At the 2nd traffic light, make a left onto Bilby Road. End of Bilby Road make a left onto Willow Grove Street (Route 604). Entrance is on the right less than 1/2 mile.
Address
800 Willow Grove St
Hackettstown, NJ 07840
Coordinates
40.87200062 N
74.81 W
Connectivity
T-Mobile5GExcellent CoverageVerified by 1 userLast on 2/13/26
VerizonLTESome Coverage- AT&T5GExcellent Coverage
Connectivity
- T-Mobile5GExcellent CoverageVerified by 1 userLast on 2/13/26
- VerizonLTESome Coverage
- AT&T5GExcellent Coverage
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
Features
For Campers
- Trash
- Picnic Table
- Phone Service
- Reservable
- Showers
- Drinking Water
- Toilets
- Pets
- Fires
For Vehicles
- Sanitary Dump
Drive Time
- 59 min from Allentown, PA
- 1 hr from New York, NY
- 1 hr 3 min from Kiryas Joel, NY
- 1 hr 15 min from Trenton, NJ
