West Bali Barat Park is mountainous and consists of primary monsoon forest, mangrove forest (310 ha.), lowland rain forest, savanna, sea grass vegetation types (40 ha.), coral reefs (810 ha.), sandy beaches, and both shallow and deep sea waters (3,520 ha.).

Accessibility and land use within the National Park is bound to a zoning system which defines the degree of allowed activities.

The peninsular Prapat Agung, with so many animals such as barking deer,Green Monkey,black monkey, wild pig,while chicken and thousand of kind of the birds. is the most accessible part of the park. The cape is cut off from the rest of the reserve by the main Singaraja-Gilamanuk road as well as by the forestry plantations in land ,of Teluk Terima.

The best snorkeling and diving in the world in the area of Menjangan island, with hectares of colorful coral reefs.