Doubtful Sound is the deepest of the 14 fiords in Fiordland National Park. It’s three times longer and 10 times larger than Milford Sound. The Maori name for Doubtful Sound is Patea, which means ‘the place of silence’. It’s considered more spectacular and relaxing than Milford Sound.
It’s approximately 2.5 hours drive from Te Anau, followed by a boat ride. It’s more difficult to get to than Milford sound, but also less visited by travellers.