Papakorito Falls is an attractive 20m waterfall just minutes to the east of the Aniwaniwa Visitor Center. It is definitely a waterfall you wouldn't want to come all the way out to the eastern shores of Lake Waikaremoana just to miss out on.
For more information on this waterfall such as...
maps
directions
detailed descriptions
refer to A Guide to New Zealand Waterfalls (Story Nature Press).