Mount Batulao has a forest cover of in its middle to lower slopes in Nasugbu, Balayan and Calaca. It is a privately owned natural sanctuary with centuries-old trees extending to the valleys and gorges to the south. The secondary growth dipterocarp forest has areas of slash-and-burn agriculture planted with corn, banana, mangoes and other fruit trees. The patches of grassland and shrubland on the mountain are dominated by cogon grass and Kans grass, while its gently sloping foothills and flat areas are planted with different agricultural crops.