Lake Te Kahika is a unique lake with a pH of about 4 which prevents submerged vegetation from growing in the lake. The lake is approximately 14.1 hectares in size with a maximum depth of 11.1 m and is located near Te Kao. Lake Te Kahika is situated in a forestry dominated catchment, surrounded by a fringe of manuka scrub. The pines have recently been harvested around the lake. There are two small streams that feed the lake and one outlet that flows towards Great Exhibition Bay (source www.lawa.co.nz)..