Lakes in New Jersey
New Jersey has over 200 fishing and recreational lakes. The largest, Lake Hopatcong, is a 2,865-acre manmade body of water near Mt. Arlington. There, lake enthusiasts may enjoy swimming, boating, water skiing and year-round fishing. The area surrounding Lake Hopatcong is well-developed, offering a variety of entertainment opportunities, including fine dining, shopping and nightclubs. Nearby accommodations include everything from campsites to hotels.
Union Lake in Cumberland County, New Jersey, is the largest natural lake completely within state boundaries. Located near the town of Millville, the 898-acre lake has boat launches and allows 10 horsepower outboard motors. Another large natural lake, Greenwood lake, has almost 2,000 acres. Half of it, however, lies in New York. New Jersey is also home to several large reservoirs: Round Valley and Spruce Run in Hunterdon County; Manasquan in Monmouth County; and Wanaque in Passaic County.
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Popular New Jersey lakes




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