Black Water is a 2007 Australian-British horror film written and directed by Andrew Traucki and David Nerlich.

The women suggest waiting for help, but Adam claims no one saw them leave, so Grace tries climbing the trees back to the mainland.

The women make numerous attempts to continue his plan, only to be thwarted at every turn, and eventually, the boat floats away out of safe reach.

The beast attacks them, forcing them back to their original tree, though Grace suffers a nasty bite to her thigh in the process.

The location representing the vast mangroves system in northern Australia was actually in the directors' home town of Sydney, 25 minutes from the Central business district In a small suburb called Oatley.

They also spent a week in Darwin shooting footage of real saltwater crocodiles that were transplanted into the location along with the actors, with the directing team doing their own CG special effects to achieve this.

[9] Critics praised the lack of CGI commonly used in this type of film, as well as the tense plotting and suspense built from it.

Neil Smith of Total Film Magazine also praised the ending stating it was "a conclusion that refreshingly refutes the genre rulebook."

Described as a survival horror-thriller film, co-written by John Ridley and Sarah Smith, the plot was stated to revolve around a couple who explore a remote cave system alongside their friends only to be pursued and preyed upon by a number of killer crocodiles.

Produced by Michael Robertson, the studios stated that the movie would use practical effects and real animal footage.