9 Swimming Holes In New Jersey Worth Visiting In 2026

New Jersey might be famous for boardwalks and beaches, but hidden among its forests and parks are some of the most refreshing swimming holes you could hope to discover.

These natural and semi-natural gems offer crystal-clear waters, peaceful surroundings, and the perfect escape from the summer heat without the crowds of the shore.

From mountain lakes nestled in state parks to secluded woodland pools surrounded by towering pines, the Garden State has plenty of aquatic treasures waiting to be explored.

Whether you’re planning a family day trip or a solo adventure into nature, these spots deliver pure swimming bliss.

Want to trade the ocean waves for tranquil lakeside vibes? Pack your towel, grab your sunscreen, and prepare for some serious splashing.

Trust us, your summer just got a whole lot cooler.

Who knew New Jersey had this many secret water wonderlands? Spoiler alert: your new favorite swimming spot is definitely on this list.

Atsion Lake

Tucked deep within Wharton State Forest at 715 US-206, Shamong, NJ 08088, Atsion Lake serves up that classic Pine Barrens magic with a sandy beach and water so refreshing it feels like nature’s air conditioning. This sprawling lake stretches across 100 acres of pristine wilderness, surrounded by towering pitch pines and oak trees that create a canopy of shade perfect for lazy afternoons.

The sandy shoreline makes entry into the water smooth and gentle, ideal for families with younger swimmers who want to wade in gradually.

Lifeguards patrol the designated swimming area during the summer season, giving parents extra peace of mind while kids splash around. The water stays pleasantly cool even during the hottest July days, thanks to the natural spring-fed system that keeps it circulating.

Pack a picnic because the shaded tables scattered around the beach area are primo spots for lunch with a view.

Fishing enthusiasts can cast a line for bass and pickerel from the shore or a small boat if you bring your own. Hiking trails weave through the surrounding forest, offering opportunities to explore the unique Pine Barrens ecosystem before or after your swim.

The bathhouse facilities are clean and convenient, with changing areas and restrooms that make the whole experience hassle-free.

Parking fills up quickly on weekends, so arriving early ensures you snag a good spot close to the beach. The entrance fee is reasonable and goes toward maintaining the pristine condition of this natural gem.

Atsion Lake captures that perfect blend of wilderness adventure and family-friendly amenities that make New Jersey swimming holes so special.

Lake Marcia

Perched at the highest elevation in New Jersey within High Point State Park at 1480 NJ-23, Wantage, NJ 07461, Lake Marcia offers a mountain swimming experience unlike anything else in the state. The water here stays refreshingly cool throughout summer, fed by natural springs that bubble up from deep underground.

Views from the beach stretch across the surrounding Kittatinny Mountains, creating a backdrop that rivals any postcard.

This glacially-formed lake sits at 1,500 feet above sea level, which means the air feels crisper and the temperatures stay a few degrees cooler than down in the valleys. Lifeguards supervise the swimming area during peak season, and the sandy beach provides plenty of space for sunbathing between dips.

The bathhouse features changing rooms and facilities that are well-maintained and convenient.

Families love the gentle slope of the lake bottom, which allows for safe wading and swimming at various depths. The surrounding forest of hemlock and hardwood trees provides natural shade along the perimeter, perfect for setting up a base camp for the day.

Picnic areas with grills let you turn your swim day into a full outdoor feast.

Hiking trails radiate from the lake area, including paths that lead to the High Point Monument, where you can see three states from the observation deck. The park charges a modest entrance fee during summer months, and parking can fill quickly on hot weekends.

Early morning visits offer the most serene experience, with mist rising off the water and wildlife active along the shore. Lake Marcia proves that elevation makes everything better, including your swimming hole adventures.

Highlands Natural Pool

Located at 180 Snake Den Rd, Ringwood, NJ 07456, Highlands Natural Pool represents something truly unique in the world of New Jersey swimming holes. This isn’t your typical lake or pond but rather a specially designed natural swimming pool that uses plants and natural filtration instead of chemicals to keep the water sparkling clean.

The result is an eco-friendly swimming experience that feels like bathing in a pristine mountain stream.

The pool area features both shallow and deep sections, accommodating swimmers of all skill levels and ages. Native aquatic plants line the regeneration zone, where natural biological processes filter and purify the water continuously.

The water remains crystal clear, allowing you to see straight to the bottom even in the deepest areas.

Surrounded by the beautiful Ramapo Mountains, the setting feels like a secret garden retreat rather than a typical public pool. Wooden decking and natural stone create a rustic aesthetic that blends seamlessly with the forested surroundings.

The facility operates on a membership and day-pass system, which helps control crowds and maintain the peaceful atmosphere.

Families appreciate the chemical-free environment, especially for children with sensitive skin or those who prefer a more natural swimming experience. The water temperature stays comfortable throughout summer, warmed by the sun but cooled by the constant natural circulation.

Changing facilities and restrooms are available on-site, along with shaded areas for relaxation between swims.

This innovative approach to public swimming has gained attention from environmental enthusiasts and families alike. Highlands Natural Pool proves that you can have a pristine swimming experience while working with nature rather than against it, making it a must-visit destination for eco-conscious water lovers in 2026.

Wawayanda Lake

Nestled within Wawayanda State Park at 885 Warwick Turnpike, Hewitt, NJ 07421, this 255-acre lake delivers wilderness swimming at its finest. The name Wawayanda comes from a Lenape word meaning winding waters, and the lake lives up to that description with its irregular shoreline and hidden coves waiting to be explored.

The designated swimming area features a sandy beach that slopes gently into the water, making it perfect for families and swimmers of all abilities.

Lifeguards keep watch during the summer season, and the beach area includes changing facilities and restrooms for convenience. The water quality here is exceptional, thanks to the protected watershed and limited development around the lake.

On hot summer days, the cool mountain water provides instant relief, and the depth increases gradually enough that even cautious swimmers feel comfortable.

Beyond swimming, Wawayanda Lake offers boating opportunities with rentals available for kayaks and canoes if you want to explore beyond the beach. The surrounding forest of mixed hardwoods and hemlocks creates a natural amphitheater of green that makes you feel miles from civilization.

Picnic areas scattered around the beach provide shaded spots for lunch and relaxation between swimming sessions.

The park encompasses over 35,000 acres of wilderness, so hiking trails abound if you want to work up a sweat before cooling off in the lake. Wildlife sightings are common, with deer, foxes, and numerous bird species calling this area home.

The parking area can fill up on peak summer weekends, so arriving before 10 AM gives you the best chance at a prime spot. Wawayanda Lake captures the essence of what makes New Jersey swimming holes so special with its combination of pristine water and untamed natural beauty.

Bellmawr Lake

Found at 850 Creek Rd, Bellmawr, NJ 08031, this community lake offers a different flavor of swimming hole experience, more accessible and closer to suburban areas while still providing that refreshing escape from summer heat. The lake covers approximately 20 acres and features a designated swimming area that operates under lifeguard supervision during the summer months.

The beach section includes a sandy shore that makes entry easy and comfortable for all ages.

What sets Bellmawr Lake apart is its community-focused atmosphere, where local families gather for swimming, picnicking, and outdoor fun throughout the warm season. The water stays clean and inviting, with regular testing and maintenance ensuring safe swimming conditions.

Shallow areas near the shore provide perfect spots for young children to splash and play under parental supervision.

The park surrounding the lake includes playground equipment, picnic pavilions, and open grassy areas ideal for games and relaxation. Shade trees line portions of the beach, offering natural cooling spots when you need a break from the sun.

The facility includes bathhouse amenities with changing areas and restrooms that make spending a full day here convenient and comfortable.

Fishing is permitted in designated areas of the lake, and you might spot anglers trying their luck for bass and sunfish along the quieter sections. The lake hosts community events throughout summer, creating a festive atmosphere that brings neighbors together.

Parking is available on-site, and the facility operates on either a membership or daily admission basis depending on residency status.

For those living in southern New Jersey who want a quick swimming escape without driving deep into wilderness areas, Bellmawr Lake hits the sweet spot perfectly. The combination of convenient location and quality swimming facilities makes it a reliable choice for spontaneous summer outings and planned family adventures alike.

Sunrise Lake

Situated at 270 Mendham Rd, Mendham Township, NJ 07945 within Lewis Morris County Park, Sunrise Lake lives up to its name with spectacular early morning views that make dawn swims absolutely magical. This 35-acre lake offers a protected swimming area with a sandy beach that welcomes visitors from late spring through early fall.

The water quality here is consistently excellent, maintained through careful watershed management and regular monitoring.

Lifeguards staff the beach during operating hours, and the gentle slope of the lake bottom makes it ideal for swimmers of all skill levels. The beach area includes plenty of space for spreading out towels and setting up for a full day of aquatic fun.

Bathhouse facilities provide changing rooms and restrooms, ensuring comfort and convenience throughout your visit.

The surrounding Morris County park system offers extensive amenities beyond swimming, including hiking and biking trails that wind through mature forests. Picnic areas with tables and grills are scattered around the lake, perfect for turning your swim day into a full outdoor feast.

The park setting feels peaceful and removed from urban hustle despite being relatively accessible from major highways.

Kayak and paddleboard enthusiasts can launch their own craft from designated areas, adding another dimension to your lake experience. The water stays refreshingly cool even during the hottest summer days, providing that perfect temperature for extended swimming sessions.

Wildlife is abundant in the surrounding woods, with turtles sunning on logs and birds fishing along the shoreline.

Parking requires a county park pass during summer months, which provides access to this and other Morris County facilities throughout the season. Weekend crowds can be substantial, so weekday visits or early morning arrivals offer the most relaxed experience.

Sunrise Lake combines natural beauty with well-maintained facilities, creating a swimming hole experience that keeps visitors coming back year after year.

Darlington County Park

Located at 600 Darlington Ave, Mahwah, NJ 07430, this Bergen County park features a swimming lake that combines natural beauty with excellent facilities in one of northern New Jersey’s most accessible locations. The lake covers several acres and includes a designated swimming area with a sandy beach that operates under lifeguard supervision during summer months.

The water quality is carefully maintained, making it safe and pleasant for swimmers of all ages.

The beach area features gentle entry into the water, with shallow zones perfect for young children and gradually deepening sections for more confident swimmers. Bathhouse facilities include changing rooms and restrooms that are clean and well-maintained throughout the season.

The park setting includes mature trees that provide natural shade around the perimeter of the swimming area.

Beyond the swimming lake, Darlington County Park offers an impressive array of amenities including sports fields, playgrounds, and extensive walking trails. Picnic areas with tables and pavilions make it easy to plan a full day of outdoor activities centered around your swimming adventure.

The park’s location near the Ramapo Mountains provides a scenic backdrop that enhances the overall experience.

Fishing is permitted in portions of the lake outside the swimming area, where anglers try their luck for bass and other species. The park hosts community events throughout summer, creating a lively atmosphere that brings families together.

Parking is available on-site, and access typically requires a county park pass during peak season.

For residents of Bergen County and surrounding areas, Darlington County Park represents one of the most convenient and well-equipped swimming hole options available. The combination of natural setting and modern facilities creates an environment where you can enjoy nature without sacrificing comfort.

Whether you’re planning a quick afternoon dip or a full day of family fun, this park delivers on all fronts with reliability and quality that make it a 2026 must-visit.

Tomahawk Lake

Positioned at 155 Tomahawk Trail, Sparta, NJ 07871, this private lake community opens its waters to members and their guests, offering a more exclusive swimming hole experience in the scenic hills of Sussex County. The lake spans approximately 85 acres, with designated swimming areas that feature sandy beaches and crystal-clear water maintained to the highest standards.

The private nature of the facility means smaller crowds and a more relaxed atmosphere compared to public swimming holes.

Multiple beach areas around the lake provide options for different preferences, from family-friendly sections with shallow water to deeper areas for serious swimmers. Lifeguards patrol during operating hours, ensuring safety while maintaining the laid-back vibe that makes this spot special.

The water quality is exceptional, regularly tested and carefully managed to maintain pristine swimming conditions.

The lake is surrounded by a wooded landscape that creates a sense of seclusion and natural beauty. Picnic areas and pavilions are available for members, making it easy to spend entire days enjoying the water and surrounding amenities.

Bathhouse facilities include showers and changing areas that are well-maintained and convenient.

Boating and fishing are popular activities beyond swimming, with members able to bring kayaks, canoes, and small sailboats to explore the full expanse of the lake. The community atmosphere fosters a friendly environment where families return year after year, creating traditions around summer lake days.

Social events and activities throughout the season add to the sense of community that defines the Tomahawk Lake experience.

While membership is required for regular access, guest passes and seasonal rental options may be available for those interested in experiencing this hidden gem. The private status means more control over crowds and conditions, resulting in a consistently high-quality swimming experience.

For those lucky enough to access Tomahawk Lake in 2026, it represents the pinnacle of New Jersey swimming hole luxury.

Hooks Creek Lake

Hidden within Cheesequake State Park at 300 Gordon Rd, Matawan, NJ 07747, Hooks Creek Lake offers a coastal-adjacent swimming experience that combines freshwater swimming with the ecological diversity of a transitional zone between northern and southern New Jersey habitats. This smaller lake provides a more intimate swimming hole experience compared to some of the larger bodies of water on this list.

The designated swimming area features a sandy beach that opens seasonally under lifeguard supervision.

The lake sits within a unique ecosystem where northern hardwood forests meet southern pine barrens, creating a distinctive landscape that sets it apart from other New Jersey swimming holes. The water stays refreshingly cool throughout summer, fed by natural springs and Hooks Creek itself.

The beach area includes convenient bathhouse facilities with changing rooms and restrooms for visitor comfort.

Shallow areas near the shore make this an excellent choice for families with young children who are still building their swimming confidence. The surrounding forest provides natural shade and a sense of wilderness despite the park’s proximity to major highways and urban areas.

Picnic tables and grills scattered around the lake area make it easy to plan a full day of outdoor fun centered around swimming.

The park’s trail system offers opportunities to explore the diverse habitats before or after your swim, with boardwalk sections traversing wetland areas and forest paths winding through mature trees. Wildlife viewing is excellent here, with the transitional ecosystem supporting species from both northern and southern regions.

The park charges a modest entrance fee during summer months, and parking can fill up on hot weekends.

For central New Jersey residents and those visiting from nearby coastal areas, Hooks Creek Lake provides a refreshing alternative to saltwater swimming. The combination of ecological diversity and quality swimming facilities makes it a worthwhile addition to your 2026 swimming hole bucket list.