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Hunterdon County

Round Valley Reservoir

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Round Valley Reservoir

Hiking

5.0

(3)

Round Valley Reservoir, located in Clinton Township in Hunterdon County, New Jersey, is a significant man-made lake known for its exceptionally clear, deep blue waters. Formed in 1960 by flooding a natural valley, this vast reservoir is nestled against the scenic Cushetunk Mountain, offering a picturesque natural escape in central New Jersey. At an elevation of approximately 123 meters, it serves as a vital water supply for the region and a popular destination for outdoor enthusiasts.

Visitors consistently praise the…

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    November 15, 2023

    Hiking

    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.

    May 22, 2025

    Hiking

    Amazing any time of the year.

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    Nearby routes

    Best routes near Round Valley Reservoir

    5.0

    (1)

    8

    hikers

    1. Cushetunk Trail: Short Version

    6.93km

    01:59

    170m

    180m

    Hike the 4.3-mile Cushetunk Trail: Short Version in Round Valley Recreation Area for reservoir views and a good workout.

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    Easy

    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

    Easy

    Details

    Informations

    Elevation 120 m

    Weather

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    Today

    Sunday 22 March

    22°C

    5°C

    36 %

    Additional weather tips

    Max wind speed: 5.0 km/h

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    Location: Hunterdon County, New Jersey, United States

    Frequently Asked Questions

    Are there specific trails recommended for different difficulty levels at Round Valley Reservoir?

    Yes, the Round Valley Recreation Area offers a variety of trails ranging from easy paths suitable for a leisurely stroll to more challenging routes. While specific named trails aren't detailed here, visitors can expect options for different fitness levels, including loop trails of varying lengths. It's always recommended to check trail maps at the park or through resources like komoot for current conditions and difficulty ratings before heading out.

    What are the parking arrangements and potential fees at Round Valley Reservoir?

    Parking is available at various trailheads within the Round Valley Recreation Area. While the intro mentions availability, it's important to note that parking lots can fill up quickly, especially during peak season or on weekends. It's advisable to arrive early to secure a spot. Information regarding potential entrance or parking fees should be checked directly with the New Jersey State Park Service before your visit.

    Is Round Valley Reservoir suitable for dog walking, and are there specific dog-friendly trails?

    Round Valley Reservoir is generally dog-friendly, but dogs must be kept on a leash at all times. While specific 'dog-friendly' trails aren't explicitly designated, most hiking trails within the recreation area are suitable for leashed dogs. Always remember to clean up after your pet to maintain the pristine environment.

    What unique natural features or viewpoints can be found around Round Valley Reservoir?

    The reservoir itself is a significant natural feature, known for its exceptionally clear, deep blue waters and being the largest by volume in New Jersey. It's nestled against the scenic Cushetunk Mountain, which offers picturesque backdrops and potential viewpoints. The area is also home to diverse wildlife, including raptors like bald eagles and ospreys, making wildlife spotting a notable natural attraction.

    Are there any cafes, pubs, or accommodation options conveniently located near Round Valley Reservoir?

    While the immediate vicinity of the reservoir is focused on natural recreation, the surrounding towns in Hunterdon County, such as Clinton, offer various dining options including cafes and pubs. For accommodation, visitors can find hotels, motels, and bed & breakfasts in nearby communities. There is also a unique opportunity for wilderness camping within the park, accessible by backpacking or boat, for those seeking a more immersive outdoor experience.

    What are the best activities for families with young children at Round Valley Reservoir?

    Round Valley Reservoir offers several family-friendly activities, especially during warmer months. These include picnicking at designated areas, enjoying the lifeguarded swimming beach, and fishing. The park also features easy walking paths that are suitable for younger children. Wildlife spotting, such as observing birds, can also be an engaging activity for families.

    What should hikers wear when visiting Round Valley Reservoir, considering the varied terrain and seasons?

    Given the varied terrain and seasonal changes, hikers should wear appropriate footwear, such as sturdy hiking boots or shoes, to navigate both easy paths and more challenging trails. Layered clothing is recommended, as temperatures can fluctuate, especially between shaded areas and open spaces. In colder months, warm, waterproof layers are essential, while lighter, breathable clothing is best for summer. Don't forget sun protection and plenty of water.

    What winter activities are available at Round Valley Reservoir when conditions allow?

    When conditions permit, Round Valley Reservoir transforms into a winter wonderland offering unique activities. Visitors can enjoy invigorating hikes through snow-covered landscapes, cross-country skiing, and sledding. It's a beautiful time for wildlife spotting, as the quiet environment can make animals more visible. Always check park conditions and weather forecasts before planning a winter visit.

    Is it possible to go wild swimming or swim outside of designated areas at Round Valley Reservoir?

    No, swimming at Round Valley Reservoir is strictly permitted only in designated, lifeguarded areas. The reservoir is a vital water supply and has a history of drownings, earning it the nickname 'Bermuda Triangle of New Jersey.' For safety and environmental protection, visitors must adhere to all posted regulations regarding swimming.

    What kind of fish can anglers expect to catch at Round Valley Reservoir, and are there any special regulations?

    Round Valley Reservoir is renowned for its diverse fish population and clear, cool waters. It's one of only two lakes in New Jersey with naturally reproducing lake trout and has set multiple state records for freshwater sport fish. Anglers can also expect to catch smallmouth bass, brown trout, rainbow trout, American eel, chain pickerel, yellow perch, sunfish, rock bass, and bullhead catfish. Specific fishing regulations, including catch limits and licensing requirements, are set by the New Jersey Division of Fish and Wildlife and should be consulted before fishing.

    Other Popular Places to Check Out

    Clinton Mills Dam

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