The town also has Cooks Pond, a recreational lake available for public use by the membership.

Welcome to Denville

Known as the Hub of Morris County, the township had a total area of 12.641 square miles, including 11.867 square miles of land and 0.774 square miles of water (6.12%).

Denville has 11 named bodies of water within township limits. The four major residential lake communities are Cedar Lake, Indian Lake, Rock Ridge, and Lake Arrowhead (including Great Bay and Bay of Deep Waters). Estling Lake is a private summer community, which has some full-year residents. The three minor lakes are Cooper Lake, Hollstein Lake, and Openaki Lake. The town also has Cooks Pond, a recreational lake available for public use by the membership.

Unincorporated communities, localities, and place names located partially or completely within the township include Cedar Lake, Cooks Pond, Cooper Lake, Franklin, Indian LakeLake Arrowhead, Lake Estling, Lake Openaka, Openaka Lake, Rock Ridge, Snake Hill, and Union Hill.

Neighboring towns include Morris County communities Mountain Lakes and Parsippany-Troy Hills to the east, Randolph to the south and west, Rockaway Borough to the west, and Rockaway Township to the north and west as well as Boonton Township to the north.[

The Tourne county park is in portions of Denville, Boonton Township, and Mountain Lakes. The park covers more than 540 acres of undeveloped land and offers a view of the New York City skyline from its peak standing 897 feet (273 m) high.

Most residents of Denville live in the non-lake communities in the township, including Bald Hill, Union Hill, and Beacon Hill, communities among others. Downtown Denville offers great shopping, restaurants, a hospital, and other amenities.


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