Some places make you want to keep them a secret. There is a stretch of northwestern New Jersey where two lakes sit quietly among wooded hills, and the loudest sound most afternoons comes from a paddle dipping into the water.
Campers wake up steps from a boat launch, families spread out at shady picnic tables, and the sunset over the water has a way of ending the day gently. This corner of Sussex County holds a title few parks can claim, and it wears that history without much fuss.
Trails wind off in several directions, boats of all kinds slide out from the dock, and the beach stays surprisingly calm even in warm months. Keep reading to find out where this lakeside retreat is and what makes it worth the drive.
New Jersey’s First State Park, Hidden in Sussex County

Long before New Jersey filled up with highways and shopping centers, this spot earned a special place in the record books. Swartswood State Park, at 1091 E Shore Dr in Swartswood, New Jersey, holds the honor of being the state’s very first state park.
The land sits in Sussex County, tucked into the rolling countryside of the northwestern part of the state. Two lakes anchor the property, and the shoreline curves around wooded slopes that feel far removed from the busier parts of the region.
Getting here means a bit of a drive away from the main roads, with stores and shops sitting roughly ten to fifteen minutes out. That distance is part of the appeal, since it keeps the crowds thin and the pace slow.
With a strong 4.5-star standing across hundreds of visits, the park has clearly held onto its charm over the decades. It remains a place people quietly recommend, sometimes reluctantly, because they would rather keep it to themselves.
Two Lakes That Set the Whole Mood

Water is the heart of everything here, and the park does not skimp on it. Two lakes give the grounds their name and their calm, drawing paddlers, anglers, and picnickers toward the shore.
The main lake shows off a deep blue color that sparkles when the sun hits it, clear and inviting across most of its stretch. A few pockets near the boat rental and past the swim area can turn mucky with algae, but the wider water stays bright and clean.
Lake mentions come up again and again from people describing their days here, and it is easy to see why. The size feels generous without being overwhelming, offering room to spread out on the water.
Sunsets over the lake earn special praise, with the main picnic pavilion positioned to catch the show. Evenings turn peaceful as the light drops, and the whole place seems to exhale.
Paddling, Rowing, and Boat Rentals at the Dock

Anyone without a boat of their own is in luck. The park runs a rental operation that puts rowboats, kayaks, and canoes within easy reach for a day on the water.
Two boat launches serve paddlers, and one of them sits just outside the park, which some find a little easier to use. The launch by the boat rental involves a steeper walk and a push off the dock, so it helps to know which fits your gear.
Docks sit close to many campsites, making it simple to slide a kayak or paddle board into the water first thing in the morning. That proximity is a big draw for people who want to camp and float in the same trip.
Motor rules keep things quiet, since only silent motors or plain paddling are allowed. Break that and a noise violation ticket can follow, which is part of why the lakes stay so calm.
A Sandy Beach Made for Slow Afternoons

Warm days pull families toward the swimming beach, and it delivers a relaxed spot to cool off. The sandy stretch is clean and fairly large, with a designated swim area for those who want to wade in.
Swimming comes up often as a highlight, with kids splashing around while parents settle nearby. There are no lifeguards on duty, so families need to keep a close watch on their own group.
Benches and barbecue spots line the area, giving people a base to spend the whole day near the water. A concession stand takes care of anyone who would rather skip the grill.
Not every visit lines up with swim season, and cooler months mean the water fountains and rinse stations get shut off. Planning ahead makes those quieter off-season trips far smoother.
Trails That Start Right at Your Tent

Lace up and you barely have to travel to reach the woods. A surprising amount of trail and acreage sits within walking distance of the campground, letting hikers wander off straight from their sites.
The Spring Lake Trail draws mountain bikers looking for a real challenge, adding some grit to the gentler walks. Paths spread out on both sides of the road, including across from the park entrance.
For those wanting to roam farther, the Appalachian Trail has a trailhead a short drive away. The Paulinskill rail trail also offers a smooth ride for anyone bringing bikes along.
Fall turns the trails into a color show, with the surrounding woods lighting up in autumn shades. Many people time their trips for those crisp weeks when the leaves put on their best display.
Campsites Under the Trees and Out in the Open

Sleeping over is where this park really shines. The campground mixes wooded sites with open meadow spots, and where you land makes a real difference in your stay.
Sites closer to the lake tend to be more wooded, with natural brush forming barriers between neighbors for a bit of privacy. Those out in the open field near the bathrooms have far less cover, so choosing carefully pays off.
Most sites run a decent size and sit properly spaced apart, though a few smaller ones can turn muddy after rain. Booking online is cheap and easy, which helps with grabbing a good spot early.
One thing to note is the firewood schedule. The wood office runs limited hours, so arriving late means bringing your own for that first evening.
Wood has sold for around seven dollars when the office is open.
Shelters with Wood Stoves for Cozy Nights

Not everyone wants to fuss with a tent, and the shelter section answers that nicely. These structures come spaced well apart, giving each group a real sense of privacy.
Inside each shelter sits a wood burning stove, a welcome feature on chilly nights when temperatures drop. Outside, every shelter has a picnic table, a fire ring, and a grill ready to go.
The sheltered area even has its own bathroom with a toilet and sink, plus a water fountain nearby for drinking water. Parking fits two cars per shelter, and the bathroom can be reached by car for anyone not wanting the walk.
Rangers tend to leave the sheltered campers to themselves, keeping the mood laid back. It is a comfortable middle ground between roughing it and staying close to the lake.
Fishing Spots and Where to Cast a Line

Anglers have a soft spot for this lake, and the fishing keeps them coming back. Some folks wake up, wash their face, and head straight out to cast before anything else.
Good fishing spots sit past the boat rental, though they tend to fill up early in the day. Getting there ahead of the crowd is the way to claim a favorite perch.
Shoreline access does have its limits, since much of the bank is tree covered with few open spots for those without a boat. The small docks often get taken by boaters, so bank anglers may need to hunt for room.
Bringing a boat opens up far more of the water, and many campers do exactly that. For a family looking to combine fishing with a full day outside, the setup works out well.
Picnic Areas, Playgrounds, and Family Extras

Families get plenty to work with beyond the water. Secluded picnic areas dot the grounds, and it is easy to find a little spot off the path to spread out a blanket.
The main picnic pavilion stays clean and well maintained, positioned to catch the sunset over the lake. Paved walkways make getting around simple, even when hauling picnic gear or pushing a stroller.
Two playgrounds keep the little ones busy, both kept in good shape. There is also a volleyball court and a half basketball court for anyone wanting a bit of friendly competition.
Kids find lots of open space to run and play, and a concession stand covers snack duty. Add benches, barbecue spots, and rinse stations in season, and a full family day comes together without much planning.
Hours, Parking, and Good-to-Know Details

Timing your visit is easy since the park keeps steady hours. Gates are open daily from 8 AM to 8 PM, seven days a week, giving long days to fill by the lake.
Day parking has run around ten dollars, and there is plenty of it, even for those camped at the far end of the grounds. Extra parking spaces near the bathrooms make quick trips simple for families.
A few practical notes help. This is bear country, so proper food storage matters, and rangers cruise the sites during the day to check in and answer questions.
Cell service can turn spotty near the water, which only adds to the quiet.
Bring bug spray for evenings, an extra blanket for cool nights, and firewood if you arrive after the wood office closes. Stores, a deli, and shopping sit about ten to fifteen minutes away for anything you forget.
Between its history, its two calm lakes, and its easygoing pace, this Sussex County retreat rewards anyone willing to make the drive. Come for a picnic or stay a weekend, and the water will do the rest.
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