Max. length – 3.2 km
Max. width – 0.6 km
Surface area – 522 hectares
Max. depth – 5 metres

Lake Waahi is located immediately to the west of Huntly. The lake is a riverine lake, which links to the Waikato River by way of the short Waahi Stream.[3] The smaller Lake Puketirini lies immediately to Waahi’s southeast.