| Lake Sidihoni | |
|---|---|
| Location | Samosir Island, Lake Toba, North Sumatra |
| Basin countries | Indonesia |
| Surface elevation | 1295m |
Lake Sidihoni (Indonesian: Danau Sidihoni) is a lake located within Samosir Island which itself is an island within Lake Toba, in North Sumatra, Indonesia and is therefore notable for being a "lake within a lake". It is approximately 11-12km to the east of hot spring pools at Pangururan. [1]