The Northern Territory Police Force are investigating a fatal crash near Ramingining overnight.

Around 11:30pm, Ramingining police came across a Toyota Prado that had rolled on the Ramingining/Central Arnhem Access Road.

The vehicle was carrying 6 occupants, with a 51-year-old woman declared deceased at the scene.

The remaining 5 occupants were all conveyed to Royal Darwin Hospital with varying injuries.

A crime scene was declared and Major Crash Detectives are currently investigating the cause of the crash.

Initial investigations suggest alcohol is likely to have been a factor in the crash and that the 51-year-old woman was not the driver.

Police are urging anyone with information to make contact on 131 444 and quote reference P26286124.