Approximately 9 miles in length and 4 square miles in area, Lake Hopatcong is the biggest lake in the state. The lake has been a popular tourist destination for almost 150 years, and it offers a wide range of excellent restaurants, guest residences, and other tourist amenities. Some of the bars and restaurants on the lake are accessible by boat; all types of boats are permitted on the water, and many of the lake's marinas offer boat rentals. Another highlight of the park is the state park on the southwest end, which offers a beach, several picnic areas, and plenty of other amenities.

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