Rennell Island is the largest island of Rennell and Bellona Province, Solomon Islands. It is almost totally surrounded by 120-150m cliffs and is comprised primarily of raised coral limestone, with the eastern end dominated by a brackish lake, Lake Te Nggano (also Lake Tegano), while the western end is relatively flat from the northern to southern coasts with rolling hills, (forested where not pasturalised), indicating its volcanic origins. Lake Te Nggano was used as a flying boat base by both Ja… (More on Rennell)