Lake Denmark is a small lake in Rockaway Township in Morris County, New Jersey, United States.

[1] Close by are Picatinny Lake in the southwest and the Green Pond in the northeast.

It is located at an elevation of 961 ft (293 m) and has a triangle form.

There is a large swamp with a size of about 4,000 sq ft (370 m2) in the north which is part of the lake.

This Morris County, New Jersey state location article is a stub.