Green Lake Hi

Green Lake was a freshwater crater lake in Puʻu Kapoho crater on the island of Hawaiʻi. With a surface area of 0.8 hectares and a maximum depth of 61 metres, it was the largest natural freshwater lake in the Hawaiian Islands, and, along with Lake Waiau, was one of two freshwater lakes on Hawaiʻi Island.
  • Location: Hawaiʻi, United States
  • Basin countries: United States
  • Surface area: 0.5 ha (1.2 acres)
  • Max. depth: 61 m (200 ft)
  • Type: Volcanic crater lake
Data from: en.wikipedia.org