It is the smallest of the fiords that make up the coast of Fiordland, and the only one with limited sea access (owing to a large sandbar at the entrance to its narrower section).
It is the second most northerly of the fiords, 22 kilometres (14 miles) southwest of Milford Sound / Piopiotahi and eight kilometres (five miles) northeast of Hāwea / Bligh Sound.
These are separated by a narrow channel less than 100 metres (330 ft) wide at its narrowest point.
In October 2019, the name of the fiord was officially changed to Te Hāpua / Sutherland Sound.
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