Humboldt Falls is one of the better kept secrets in Fiordland National Park. This 275m monster is also accompanied by a tall companion waterfall about half the overall height of the main falls. Since this waterfall can be reached from a relatively short track, you can visit it for free as long as you can arrange your own transport to the track itself. It is definitely a must-see for the waterfall collector.
Just beware of the sandflies!
For more information on this waterfall such as...
refer to A Guide to New Zealand Waterfalls (Story Nature Press).