NZTopo50 map sheet: BQ26
Grid/NZTM2000 coordinates: E1629603, N5420399
Before you go, buy 1 Standard Hut Ticket (blue for adults, yellow for youth) for each night's stay. Put this in the honesty box at the hut. Or buy a Backcountry Hut Pass that gives unlimited use at most Standard and Serviced huts for a 6 or 12 month period.
During the winter months the water supply system at Rocks Hut can freeze. This often only affects the toilet.
If the toilet freezes up and the flush does not work, use a bucket of water from the rain water tank to flush. Other people at the hut will appreciate your consideration.