Meru Betiri National Park is a national park in the province of East Java, Indonesia, extending over an area of of which a small part of is marine. The beaches of the park provide nesting grounds for endangered turtle species such as the leatherback sea turtle, hawksbill sea turtle, green sea turtle and olive ridley sea turtle.
The Meru Betiri area is influenced by monsoon wind. From November to March, the westerly wind brings rainfall to the area, whereas the dry season occurs from April to October.
The average annual rainfall is between 2300 and , with 4 dry months and 7 wet months on average.
Fauna
The park provides habitat for many other protected animals, including 29 species of mammal and 180 species of bird. Among them are the banteng, Javan leopard, wild boar, long-tailed macaque, Sumatran dhole, Javanese flying squirrel, leopard cat, Javan muntjac, and green peafowl. The beaches of the park provide a nesting ground for leatherback turtles, hawksbill turtles, green turtles, and olive ridley turtles.
Due to research in 1997, tiger paw prints at a size of were found, so the Forestry Ministry agreed to monitor the existence of the Javanese tiger with a camera trap in 2011.
Conservation
The Meru Betiri Forest area was first appointed as a protected forest by the Dutch Colonial Government in 1931. In 1972 the Meru Betiri Protected Forest (500 km<sup>2</sup>) was appointed as a wildlife sanctuary, prioritized for protecting the habitat of the then endangered Javan tiger.