The Kangean Islands are a group of about 30 islands situated 100 miles north of Bali and east of Madura. The largest island is Kangean, with a length of 40km and width 25km. The island group consist of coral-lime, heaved up by volcanic action. The greater part of Central Kangean is mountainous. Lowlands are found in the southern part. A great part of the western half of the north coast is bordered by sandy beaches, while the eastern half the eastern half and a part of the southern plain is fringed by a reef, and overgrown with mangroves. A tropical submontane forest covers the hill ridge in the central and northern parts of Kangean island. Roughly these forests are located north and south of the protected forest. On Kangean there is still a large area of undisturbed mangrove forest. The mangrove forests are mainly found at the southern part and at some smaller islands monsoon the average daily maximum is 28 Deg C.
Principal vegetation: Rhizophora sp., Bruguiera sp., Sonneratia acida, Calophyllum inophyllum.