Nganmarriyanga (Palumpa) is located 353kms south west of Darwin on the Port Keats Road between the communities of Peppimenarti and Wadeye. The Nganmarriyanga access road is unsealed and approximately 140kms from the Daly River bridge.
Roads to Nganmarriyanga can be impassable during the wet season because of flooding. This can extend up to seven months in extreme years. Nganmarriyanga is accessible by air throughout most of the year. The road to the airstrip is not sealed and in severe weather and flooding this road and airstrip is not able to be used.