Topography
Generally rough except Anak Krakatau as its volcanic activities sustain the overall height. In 1976 it was only 169.67 M. in 1973 it was 189.48 and the last measurement was in 1985 when its height was 240 m, and was in 2008 more than 300 m.
Vegetation
The primary vegetation includes the Kilangir (Chsiocheton Microcarpus), Ketapang (Terminal Catppa),Melinjo (Gnetum Gnemon),Mara (Macaranggo Fanarius),Cemara (Casuarina Equisetifolia),Waru (Hibiscus Filioeus) Kampis (Hemadia Peltata), Hampelas (Ficus Ampelas), Cangkudu (Morinda Citrifolia).
Wild Life
Not many animal to see, how ever if we are lucky enough, you might see the Bottle Nosed Dolphin (Delphmus Delphie), Flying fox (Pteropus Vampirus), Monitor Lizard (Varanus Salvator), Green Turtle (Cholonia Mydas), Champeleon (Calotes Cristaleus), or Python (Python Sp), Birds include the stork Billed – Kingfisher (Tonyseptra Galatea), Common Tern (Stama Hirundo) and white – Bellied sea Eagle (Heliastur Leucogaster).