The largest raised coral atoll in the world is a testament to evolutionary processes and home to Lake Tegano.
Rennell Island is the largest raised coral atoll in the world. Rennell is a testament to evolutionary processes and is home to Lake Tegano. The atoll covers an area of 87,500 hectares, and it is 15 kilometers wide and 86 kilometers long. It is a world heritage property occupying a third of the Island. Lake Tegano alone covers 15,000 hectares, making it the largest lake in the insular Pacific. The lake is home different endemic species including sea snake. The surrounding terrain is covered with dense forest that has remained in its natural state and has a rich biodiversity. There are four species and nine subspecies of land and water birds respectively. Rennell Island has gained recognition across the world for its unique ecology and rich biodiversity.