It flows into Collier Bay, in the Indian Ocean, via a narrow gap known as Yule Entrance.

It is tide-dominated, and in nearly pristine condition with a catchment area of 12,732 square kilometres (4,916 sq mi).

[3] The entry to the inlet, known as Yule Entrance,[4] is 9 km (5.6 mi) in length and as little as 450 m (1,480 ft) wide.

The Charnley River–Artesian Range Wildlife Sanctuary and Wilinggin Indigenous Protected Area are located near the inlet.

A party led by lay missionaries Robert and Frances Wilson spent eight days in August 1911 investigating suitable sites before abandoning the project, due to lack of permanent fresh water.