[3] Important wetlands are found in the lower reaches of the river, forming suitable habitat for waterfowl breeding colonies and roosting sites for migratory shorebirds.

[6] Riparian vegetation found along the margins in the river include Melaleuca, Barringtonia acutangula, Nauclea orientalis, reeds and taro are common in the upper reaches.

Riparian vegetation includes Melaleuca, Barringtonia acutangula, Nauclea orientalis, Lysiphyllum cunninghamii and Pandanus spiralis.

[7] In February 2022, the Northern Territory Land Corporation released 67,500 hectares for a planned conversion of the landscape towards the cultivation of rice, cotton and various fruits like mangoes and bananas.

The first written record of the name was in the diary of explorer and pastoralist, Michael Durack, who wrote about a "trip to Keep River" in 1894.