Are you finding hidden spots to visit during your trip in New Jersey? We have found the 13 best lakes in NJ where you can find peace and serenity, with the best lakes in NJ for swimming. The amazing New Jersey is known as the Garden State because of its blueberries, tomatoes, and cranberries. During the visit, you visit museums, boardwalks, an adventure park, and more, but NJ is not about all this. It has serene lakes that provide different ways to spend a family day on the water. Spend hours in a canoe, dropping a finishing line, or renting a motorboat for a sunset cruise. Let’s make your visit to New Jersey memorable with the best lakes in NJ for swimming. 

In this guide

  • Lake Musconetcong
  • Green Pond
  • Swartswood Lake
  • Union Lake 
  • Culver’s Lake 
  • Merril Creek Reservoir
  • Lake Hopatcong
  • Muckshaw Pond Preserve
  • Lake Tappan 
  • Spruce Run Reservoir 
  • Greenwood Lake 
  • Round Valley Reservoir
  • Lake Marcia
  • Lake Pompton
  • Franklin Lakes
  • Helpful Tips for visiting the biggest lakes in New Jersey
  • How to reach these amazing lakes

Lake Musconetcong

Lake Musconetcong is one of the best lakes in NJ. It covers a massive area of 329 acres, spanning the border of Morris and Sussex counties. It is just a stone’s throw away from Hopatcong State Park. This beautiful lake was formed in the mid-19th century as the Stanhope Reservoir. Lake Musconetcong served as an additional water source for the Morris Canal.

With less canal use, the lake shifted from industrial MVP to recreational VIP. Now, Lake Musconetcong is famous as a chill spot. You can go fishing, paddle around in a kayak, or just enjoy the time of your life with your family. It’s a perfect spot for spending your summer vacation with good activities with your family. In winter, the temperature drops, and the lake freezes. If you are an ice fishing expert, this can be the perfect place to spend the winter.

Things to do in Lake Musconetcong

    • Kayaking 
    • Canoeing
  • Fishing (Most Popular) 
  • Hiking
  • Biking 
  • Boating with powerboats
  • JetSkis 

Green Pond

Green Pond is a beautiful lake in Rockaway Township in Morris County, New Jersey. This picturesque lake offers various activities for families, friends, and loved ones. It is renowned for its water clarity and is often called the cleanest lake in New Jersey.

Thinking of spending time in New Jersey this summer vacation, Green Pond should be on your travel to-do checklist. Enjoy your time doing activities like golf, horseback riding, and winter skiing nearby. Your visit to Green Pond may feel like attending a summer camp. It’s different from all the lakes in the list. You can enjoy the serene beauty with the outside lake view dining from famous restaurants.

Things to do in Green Pond

  • Swimming
  • Boating
  • Sailing
  • Water Skiing
  • Water Tubigng (Popular)

 The lake also offers activities other than water activities.

  • Tennis
  • Golf
  • Horseback riding
  • Hiking, and more.

Swartswood Lake (Swartswood State Park)

Swartswood Lake is New Jersey’s first state park lake. It is a historic and serene spot located in Sussex County. The beautiful lake is known for its calm waters and scenic beauty. Its gentle shoreline is excellent for children, and its surrounding park offers well-maintained trails for hiking and birdwatching. Swartswood is a relaxing retreat that combines outdoor fun with quiet natural surroundings. These attractions make it one of the top swimming lakes in New Jersey. 

Things to do in Swartswood Lake

  • Swimming
  • Kayaking
  • Picnicking
  • Birdwatching
  • Hiking

Union Lake (Millville, Cumberland County)

Union Lake is one of the largest lakes in southern New Jersey, surrounded by more than 5,000 acres of forests and wetlands. It’s an excellent destination for canoeing, kayaking, and fishing while enjoying the peacefulness of nature. Birdwatchers can spot bald eagles and other native wildlife, making it a haven for nature lovers looking for adventure and tranquility.

Things to do in Union Lake

  • Canoeing & kayaking
  • Fishing
  • Nature trails
  • Birdwatching

Culver Lake (Frankford Township)

Culver Lake is a private community with clear waters and a peaceful atmosphere. Known for its historic roots and summer sailing events, the lake provides an exclusive retreat from everyday life. Visitors who gain access can enjoy fishing, sailing, and lakeside picnics, surrounded by scenic views. It’s a cherished spot for residents and visitors seeking a quiet and serene summer getaway.

Things to do in Culver Lake:

  • Sailing
  • Fishing
  • Scenic views
  • Community summer events

 Merrill Creek Reservoir (Warren County)

Merrill Creek Reservoir is surrounded by over 2,000 acres of protected woodlands, providing a tranquil sanctuary for wildlife and visitors alike. While swimming is prohibited here, the reservoir offers excellent kayaking opportunities and is a prime location for eagle watching. Numerous walking and hiking trails surround the reservoir, making it a wonderful spot for nature photography and peaceful outdoor walks.

Things to do in Merrill Creek Reservoir:

  • Kayaking
  • Eagle watching
  • Nature walks
  • Photography
  • Hiking trails

Lake Hopatcong (Morris & Sussex Counties)

Lake Hopatcong is New Jersey’s largest freshwater lake, offering extensive recreational activities for visitors. With multiple marinas, waterfront restaurants, and rental facilities, the lake is perfect for swimming, tubing, jet skiing, and fishing. Its vibrant community and scenic vistas make it a popular destination for families and water sports enthusiasts throughout summer.

Things to do in Lake Hopatcong:

  • Swimming
  • Jet skiing
  • Dining with a lake view
  • Boat rentals
  • Fishing

Muckshaw Pond Preserve (Fredon Township)

Muckshaw Pond Preserve comprises a cluster of glacial ponds in rural Sussex County. Managed by The Nature Conservancy, it offers quiet trails through diverse habitats ideal for hiking, nature study, and birdwatching. Visitors seeking solitude and connection with nature will appreciate this preserve’s peaceful atmosphere and scenic beauty year-round.

Things to do in Muckshaw Pon Preserve:

  • Hiking
  • Nature study
  • Scenic photography
  • Picnicking

Lake Tappan (Bergen County)

Lake Tappan stretches across the New Jersey–New York border and serves primarily as a reservoir. Though swimming and fishing are restricted, the calm waters and surrounding trails offer a serene setting for kayaking and birdwatching. The lake provides a quiet refuge for those seeking to enjoy nature without the crowds, with abundant wildlife and peaceful views.

Things to do in Lake Tappan:

  • Kayaking
  • Birdwatching
  • Leisure walks along permitted trails

Spruce Run Reservoir (Hunterdon County)

Spruce Run Reservoir is a favorite summer spot near Clinton, featuring over 1,290 acres of water and one of New Jersey’s few swimming beaches. It is well equipped for boating, windsurfing, paddleboarding, and camping. The reservoir’s family-friendly environment, combined with ample facilities, makes it a top choice for outdoor recreation during warmer months.

Things to do in Spruce Run Reservoir:

  • Swimming
  • Windsurfing
  • Camping
  • Paddleboarding
  • Boating

Greenwood Lake (Passaic County)

Spanning New Jersey and New York, Greenwood Lake is a 9-mile-long lake known for its lively atmosphere and recreational opportunities. Popular activities include jet skiing, boating, swimming, and waterfront dining options. Its combination of natural beauty and social venues makes it a go-to destination for adventure seekers and those looking to relax by the water.

Things to do in Greenwood Lake:

  • Jet skiing
  • Boating
  • Swimming
  • Dock-and-dine experiences

Round Valley Reservoir (Lebanon, Hunterdon County)

Renowned for its deep, clear blue waters, Round Valley Reservoir is a premier destination for scuba diving and fishing, especially for trout. Swimming is allowed in designated areas, offering a refreshing escape on warm days. The reservoir is also surrounded by campgrounds and hiking trails, making it an excellent spot for a full day of outdoor adventure.

Things to do in Round Valley Reservoir:

  • Swimming (designated area only)
  • Scuba diving
  • Fishing
  • Boating
  • Camping

Lake Marcia (High Point State Park)

Located at New Jersey’s highest elevation, Lake Marcia is a seasonal favorite for swimmers and hikers. The glacial lake’s calm, clean waters are perfect for a refreshing dip in the summer, with lifeguards on duty. Its peaceful setting and surrounding nature trails are ideal for sunbathing, nature walks, and photography.

Things to do in Lake Marcia:

  • Swimming (summer lifeguards on duty)
  • Hiking
  • Sunbathing
  • Nature trails

Bonus Lakes to Explore

Pompton Lake (Passaic County): This tranquil lake near Pompton Lakes offers kayaking opportunities and peaceful nature views. Visitors can combine lake activities with local dining options for a complete day out.

Franklin Lakes Nature Preserve (Bergen County): Known for its serenity and natural beauty, this preserve provides scenic walking trails and calm waters suitable for kayaking throughout the year.

Seasonal Guide for Lake Visits

  • Spring: Ideal for birdwatching, gentle hiking, and nature photography in quieter settings.
  • Summer: Peak season for swimming, boating, and family outings with lifeguards and rentals available.
  • Fall: Stunning autumn foliage reflects on lake surfaces, perfect for peaceful hikes and paddling.
  • Winter: Some lakes offer ice fishing or snowshoeing nearby; always check local safety guidelines.

Tips for Visiting Lakes in New Jersey

  • Check Accessibility: Some lakes are private or require permits for access.
  • Pack Essentials: Bring sunscreen, water shoes, insect repellent, and life jackets for kids.
  • Stay Safe: Follow local swimming rules and posted safety signs.
  • Respect Nature: Follow Leave No Trace principles and protect wildlife habitats.
  • Bring Cash: Some parks and rental spots may not accept cards.

How to Reach These Lakes

  • Driving: Most lakes are accessible by major highways, such as I-80, Route 46, or the Garden State Parkway. If you don’t want to drive to these lakes, you can always hire a taxi service to make your journey seamless.
  • Public Transit: NJ Transit routes reach nearby towns; local taxis or rideshares can complete the journey.
  • Navigation: Use Google Maps or state park websites for real-time directions and entry information.

Conclusion

New Jersey’s lakes offer more than scenic views—they provide experiences. These 13 lakes will make your visit to New Jersey unforgettable. Chase sunset, dive into calm waters, or cast a line at dawn, and make your visit memorable. So grab your gear, plan your route, and dive into the hidden gem of New Jersey.