Lake Denmark
| Lake Denmark | |
|---|---|
| Location | Rockaway Township, New Jersey | 
| Coordinates | 40°58′15″N 074°30′58″W / 40.97083°N 74.51611°W | 
| Type | Lake | 
| Part of | Picatinny Arsenal United States Army | 
| Primary inflows | Burnt Meadow Brook | 
| Basin countries | United States | 
| Managing agency | NJ Department of Environmental Protection | 
| Designation | Protected/Restricted | 
| Max. length | ~4,000 ft (1,200 m) | 
| Max. width | ~2,000 ft (610 m) | 
| Surface area | 242 acres (1 km2) | 
| Surface elevation | 961 ft (293 m) | 
| Location | |
Lake Denmark is a small lake covering 242 acres (98 ha) in Rockaway Township in Morris County, in the U.S. state of New Jersey. Close by are Picatinny Lake in the southwest and the Green Pond to the north.
Lake Denmark is located within the boundaries of Picatinny Arsenal.