If you are travelling from Darwin or Palmerston head to Thorngate Road, in front of Robertson Army Barracks.
The gravel road directly opposite the main gate to Roberston Barracks leads to NSP. Follow the signs for about 20 minutes.
If you are travelling from the rural area make your way to the Howard Springs traffic lights, go along Howard Springs Road and take the turn off to the new gaol construction site.
After the sealed road turns to gravel follow the signs for about 20 minutes.
Google map coordinates: -12.36373; 131.025088