The Northern Territory Police Force is investigating a death in Darwin.

Around 11:15pm last night, the Joint Emergency Services Communication Centre (JESCC) received a report that a woman had been found unresponsive on a walking path in the Casuarina Coastal Reserve.

Emergency services responded, however the 52-year-old woman was declared deceased at the scene.

Her cause of death is not being treated as suspicious, and detectives from the Crime Division have carriage of the investigation.

A report will be prepared for the Coroner.