A body was pulled out of the Great Swamp National Wildlife Refuge Tuesday in Harding Township, the Morris County Prosecutor's Office said.
The body was found just off a trail near a parking lot on Long Hill Road in Harding Township, according to Harding Police. Long Hill Road runs through the swamp and into Long Hill Township.
According to Harding Police, the road is a common destination for hikers and cyclists, and there are marked trails throughout the area.
Christopher Kimker, of the Morris County Prosecutor's Office, is leading the ongoing investigation.
No further information has been released.