Alas Purwo National Park has 43.420 hectare, situated at south east of Java island. The land is generally flat to rolling rising to tha highest peak of 322 M. Classified by Schmidt and Ferguson this area has B climate with rainfall average 1000 - 1.500 mm. each year.

Flora and Fauna

The area is dominated by low land tropical forest along the shore is arow of coastal forest, ketapang (Terminalia cattapa), nyamplung (Colophylum inophylum), kepuh (Sterculia foetida), keben (Barringtoni asiatica).

The endangered fauna is Banteng (Bos javanicus) and ajag (Cuon alpinus), as well as wildpig (Sus sp), kijang (Muntiacus Muntjak), rusa (Cervus timorensis), lutung (Presbytis cristata), kera abu-abu (Macaca fascicularis), merak (Pavo muticus), and ayam hutan (Gallus sp) in the period October - December the full length of Segoro Anak can be found more than 16 species of immigration birds from Australia. This coastal zone is an ideal place for species of turtles to lie the egg, e.g. green turtle (Chelonia mydas), leatherback turtle (Dermochelys coriacea), hawkbill turtle (Erithmochelys imbricata) and olive ridley turtle (Lepidochelys olivacea).