If you're visiting Waitomo Caves, don't miss Marokopa Falls. This beautifully symmetric 30m waterfall lies near the famous Waitomo Caves (known for its glow worms lighting up its interior like stars in the night sky). Along the way, check out the Mangapohue Natural Bridge as well as the Piripiri Cave.
For more information on this waterfall such as...
maps
directions
detailed descriptions
refer to A Guide to New Zealand Waterfalls (Story Nature Press).