The community is located approximately 50 km east of Angurugu situated inside Little Lagoon, Point Langton on the northeast coast of Groote Eylandt. Umbakumba is approximately 50 km east of Angurugu on Groote Eylandt, which is 650 km east of Darwin and 50 km off the Arnhem Land coast in the Gulf of Carpentaria. Apart from the fortnightly freight barge service from Darwin, Umbakumba is generally accessed by air.

Groote Eylandt airport, located 1 km from Angurugu, is the main air access point for the island. Owned and maintained by Gemco, the airstrip is sealed and there are flights to and from Nhulunbuy/Darwin most days. Travel time to Nhulunbuy: 30-50 minutes, to Darwin: 1.5-2 hours. A 50 km dirt road links Angurugu to Umbakumba. Charter flights can also be arranged direct to Umbakumba which has a dirt airstrip that can accommodate twin engine light aircraft. There is a reasonable dirt road from the airport to Umbakumba. However, a 4-wheel drive is essential and given the number of rivers and streams, travel throughout the island during the wet season can be difficult.

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Location Within the northern territory:

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