New Zealand South Island - kiwiphotos
Doubtful Sound NZ

Doubtful Sound NZ

You can see from the waves created by the boat that the water looks dirty. This is caused by the tannins in the top 2 to 10 metres of fresh water on top of the salt water. The tannins get into the sound from waterfalls. It gets 7.6 metres a year

Doubtful SoundFiordlandNZ