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Hunterdon County

Top 5 Lakes in Hunterdon County

Best lakes in Hunterdon County offer diverse natural landscapes and recreational opportunities in central New Jersey. The region features significant reservoirs, tranquil lakes, and preserved open spaces. These bodies of water are often set against rolling hills and forested areas, providing settings for various outdoor activities. Hunterdon County's lakes contribute to its appeal as a destination for nature exploration.

Best lakes in Hunterdon County

  • The most popular lakes is Round Valley Reservoir, a lake that covers 2,350 acres and…

Last updated: May 8, 2026

Round Valley Reservoir

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Covering 2,350 acres and reaching depths of about 180 feet, Round Valley Reservoir is set against the picturesque backdrop of the Cushetunk Mountains. It's important to note that swimming is only permitted in designated areas.

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Lake Solitude

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This stunning lake features a unique rock wall waterfall and is surrounded by lush trees. The sights are even more amazing in springtime when the leaves start to change colors.

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The collection of open spaces around Readington Township is an effort to preserve at least 12,000 acres despite the projected growth in the area. As of now a number of …

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Cushetunk Mountain Nature Preserve is a 380-acre nature preserve that is directly east of Round Valley Recreation Area and Round Valley Reservoir. You can catch views of the reservoir from some trails in the preserve.

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Round Valley Reservoir

Highlight • Lake

Covering 2,350 acres and reaching depths of about 180 feet, Round Valley Reservoir is set against the picturesque backdrop of the Cushetunk Mountains. It's important to note that swimming is only permitted in designated areas.

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Lake Solitude and Waterfall

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This stunning lake features a unique rock wall waterfall and is surrounded by lush trees. The sights are even more amazing in springtime when the leaves start to change colors.

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Popular around Hunterdon County

Hiking in Hunterdon County

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Tips from the Community

Sam
May 22, 2025, Round Valley Reservoir

Amazing any time of the year.

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The collection of open spaces around Readington Township is an effort to preserve at least 12,000 acres despite the projected growth in the area. As of now a number of areas are designated as open spaces and have varying amenities such as trails, picnic sites, and lakes.

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Tyler Sanders
January 24, 2024, Lake Solitude

This stunning lake features a unique rock wall waterfall and is surrounded by lush trees. The sights are even more amazing in springtime when the leaves start to change colors.

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This stunning lake features a unique rock wall waterfall and is surrounded by lush trees. The sights are even more amazing in springtime when the leaves start to change colors.

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Cushetunk Mountain Nature Preserve is a 380-acre nature preserve that is directly east of Round Valley Recreation Area and Round Valley Reservoir. You can catch views of the reservoir from some trails in the preserve.

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Covering 2,350 acres and reaching depths of about 180 feet, Round Valley Reservoir is set against the picturesque backdrop of the Cushetunk Mountains. It's important to note that swimming is only permitted in designated areas.

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Covering 2,350 acres and reaching depths of about 180 feet, Round Valley Reservoir is set against the picturesque backdrop of the Cushetunk Mountains. It's important to note that swimming is only permitted in designated areas.

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Frequently Asked Questions

Which lakes in Hunterdon County are best for swimming?

For swimming, Round Valley Reservoir offers a designated, lifeguarded area from Memorial Day to Labor Day. Spruce Run Recreation Area also provides a designated beach area with lifeguards for swimming.

Can I go camping near the lakes in Hunterdon County?

Yes, both Round Valley Reservoir and Spruce Run Recreation Area offer camping facilities. Round Valley is unique for its wilderness camping, while Spruce Run has 67 tent and trailer sites, plus three cabins.

What kind of fishing opportunities are available at Hunterdon County lakes?

Hunterdon County lakes provide excellent fishing. Round Valley Reservoir is stocked with lake trout, brown trout, and smallmouth bass. Lake Solitude is known for trout fishing, and Merrill Creek Reservoir is popular for trout and bass. Spruce Run Reservoir also offers good fishing.

Are there hiking trails around the lakes in Hunterdon County?

Absolutely. You'll find hiking opportunities at most lakes. Round Valley Reservoir and Cushetunk Mountain Nature Preserve offer trails with views of the reservoir. Lake Solitude provides easy access to hiking paths via the Columbia Trail. Spruce Run Recreation Area and Merrill Creek Reservoir also feature trails for nature study and bird watching. For more hiking options, check out the Running Trails in Hunterdon County guide.

What activities are available for families at Hunterdon County lakes?

Many lakes are family-friendly. Spruce Run Recreation Area has playgrounds, designated swimming areas, and camping. Round Valley Reservoir offers swimming, picnicking, and boating. Lake Solitude is ideal for peaceful family outings with its scenic waterfall and easy trails. Readington Township Open Spaces also provide trails and picnic sites.

Can I go boating or kayaking on the lakes?

Yes, boating is a popular activity. Round Valley Reservoir and Spruce Run Recreation Area permit boating. Merrill Creek Reservoir allows boating with electric motors, catering to low-impact recreation. Kayaking is also popular on these waters.

Are there any historic sites or unique natural features to see?

Yes, Lake Solitude is notable for its historic dam, which is New Jersey's last remaining buttress dam and is nationally recognized. It also features a beautiful rock wall waterfall. Round Valley Reservoir is New Jersey's deepest lake, set against the scenic Cushetunk Mountains.

What is the best time of year to visit Hunterdon County lakes?

Hunterdon County lakes offer activities year-round. Spring and fall are excellent for hiking and enjoying the changing foliage. Summer is ideal for swimming, boating, and camping. In winter, activities like ice fishing and cross-country skiing are popular at Spruce Run Recreation Area and sledding at Round Valley Reservoir.

Are there cycling routes near the lakes?

Yes, the area around the lakes offers various cycling opportunities. Lake Solitude is easily accessible via the Columbia Trail, which is suitable for cycling. For more cycling routes in the region, explore the Cycling in Hunterdon County guide.

What makes Merrill Creek Reservoir unique, and what activities are allowed there?

Merrill Creek Reservoir, though in neighboring Warren County, is a significant environmental preserve. It's designed for low-impact recreation, making it ideal for hiking, nature study, bird watching, and fishing. Boating with electric motors is permitted, and there's a visitor's center. Unlike other lakes, swimming and camping are not allowed, preserving its tranquil natural beauty.

Where can I find scenic viewpoints around the lakes?

Many lakes offer picturesque views. Round Valley Reservoir provides stunning vistas, especially from the surrounding Cushetunk Mountain Nature Preserve. Merrill Creek Reservoir boasts breathtaking panoramas from Montana Mountain. Lake Solitude is known for its tranquil waters and waterfall, offering a peaceful scenic spot.

Are there any specific regulations for visiting Spruce Run Recreation Area?

Spruce Run Recreation Area is a New Jersey State Park. For detailed information on regulations, permits, and current conditions, it's recommended to check the official park website. You can find more general information about the area on Wikipedia.

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Find the best lakes in Hunterdon County per region:

ClintonHigh BridgeLebanonAnnandaleWhite House Station

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Still not found your perfect lake in Hunterdon County? Check out the guides of these regions to see even more beautiful places.

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