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Coleman River
As Cape York’s long dry season slowly lurches towards its end, the rising heat and moisture hit a threshold and the Wet arrives abruptly. Like most rivers of the Cape, the sudden rains and gushing waters of the Coleman River system breach its banks and spill out onto the immense floodplains and wetlands, carrying vital nutrients, seeds and fresh water to the landscape. It is a life-giving and distinct cycle that defines this truly wild river system.
Regular visitors to the wetlands of the Coleman River. Top left: Jaribu, Top right: Intermediate Egret, Bottom left: Yellow-Billed Spoonbill, Bottom Right: Brolga. Photos: Kerry Trapnell
Conservation and cultural values
Undammed and free of pollution, the unspoiled Coleman River rises near the Musgrave Roadhouse on the Peninsula Development Road and ends its journey between Pormpuraaw to the North and Kowanyama to the south where it drains into the Gulf of Carpentaria. This wild river catchment also includes the tributaries of the Edward River and Lightning Creek.
Winding mostly through the characteristic woodland savanna of the Cape, the Coleman is the artery that brings fresh water and food to this rugged country. The termite mounds here are prolific, standing sentinel over much of the Coleman catchment and helping to cycle nutrients for the rest of the food web. The dense gallery rainforest hugging many parts of this wild river, particularly near the estuary, is a unique ecosystem that acts as a travel route for much wildlife.
As the floodplain waters of the short and sharp wet season recede and the streams cower to a small trickle, only a few important waterholes remain in the landscape as refuge for birds and animals during the drier months. Bull Lake, near Lightning Creek, is one of Australia’s most important dry season refuges, providing vital habitat for Brolgas, Magpie Geese, Black Necked Storks and other eye-catching wildlife.
Migratory waders such as the Common Greenshank and Whimbrel wander the grassy coastal plains of the Coleman, while the extensive mangrove forests closer to the brackish waters of the river provide vitally important nurseries for fish and molluscs. Giant Barramundi, Saratoga and other well-known tropical fish also depend on these healthy mangroves and natural river flows to survive.
The Thaayorre, Bakanh, Yir Yoront and Kunjen people are the Traditional Owners of the Coleman River catchment area and maintain strong cultural and spiritual connections with the land and rivers. The traditional ecological knowledge and health of these communities is in turn critical to the ongoing health of this wild river system.
Threats
Major threats to the wild river values of this area include encroaching invasive weeds like the river-choking Rubbervine, growing numbers of feral pigs, and under-investment in land management. Wild River protection, as well as the Indigenous Wild River Ranger program, will help address these impacts and resourcing issues.