The grid references in NZMG are E2483155, N5864516. You can convert this to the 2000 format on the linz site. I’m off to Google Earth to try and put the correct location on their site.
Okoroire Hot Springs Hotel
Lower pool with gravel base
Okoroire Hot Springs Hotel
Lower riverside pool
Okoroire Hot Springs Hotel
Top pool, formally enclosed prior to recent redevelopment.