About Cahills Crossing
Cahills Crossing is a tidal causeway over the East Alligator River marking the boundary between Kakadu National Park and Arnhem Land in West Arnhem, Northern Territory. It is notable as one of Australia's most famous crocodile viewing locations, where saltwater crocodiles congregate at tidal changes. The crossing is only passable at low tide and is a key visitor viewpoint within Kakadu National Park.
Visitors guide
Visitors can expect a tidal river causeway with an elevated viewing platform overlooking the East Alligator River. The setting is a wide tidal river surrounded by wetlands and floodplains. Visitors can watch saltwater crocodiles gathering as tides change, observe birdlife, view the river flow over the causeway at different tide levels, and see the border between Kakadu National Park and Arnhem Land. Access to the crossing itself is tide-dependent.
Key highlights
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Tidal causeway crossing the East Alligator River between Kakadu National Park and Arnhem Land
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Renowned saltwater crocodile viewing from dedicated viewing platform
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Dramatic tidal changes with river flowing over the causeway at high tide
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Wetland and floodplain landscape with abundant birdlife
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Border location offering views into Arnhem Land