Lake Lanoto'o
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| Lake Lanoto'o | |
|---|---|
 Lake Lanoto'o | |
  Lake Lanoto'o | |
| Coordinates | 13°54′36.72″S 171°49′39.73″W / 13.9102000°S 171.8277028°W |
| Type | Crater lake |
| Catchment area | 23 hectares (57 acres) |
| Max. length | 400 metres (1,300 ft) |
| Surface area | 11 hectares (27 acres) |
| Max. depth | 17 metres (56 ft) |
| Surface elevation | 760 metres (2,490 ft) |
Lake Lanoto'o is a volcanic crater lake on the island of Upolu in Samoa. It is the largest lake in Samoa.[1] The lake is surrounded by Lake Lanoto'o National Park and is designated as a wetland of international importance under the Ramsar Convention.[2]
The lake is 400 metres (1,300 ft) long with a maximum depth of 17 metres (56 ft) and an area of 11 hectares,[3] with a water temperature of 27.8 °C (82.0 °F) and a pH of 5.72.[4] The crater is between 100,000 and 1 million years old.[3]
Sediment cores from the lake have been used to date the human settlement of Upolu[5] and of Polynesia,[3] and to study the paleoclimate and past ecology of Upolu.[6]
The lake provides an important habitat for the Pacific black duck and spotless crake.[1] Goldfish were introduced during the German colonial period.[1]
