5.14 Cave and Karst Systems, PDF 2,626K (from the Fiordland National Park Management Plan, June 2007). "Access to the Aurora and Te Ana-au system will be controlled under Specially Protected Area status. One concession is considered appropriate for guiding visitors through Te Ana-au cave ...."
nzhistory.net.nz
"Te Anau". NZHistory. Ministry of Culture and Heritage. Retrieved 25 September 2015.