Vegetation in northern West Bengal is dictated by elevation and precipitation. For example, the foothills of the Himalayas, the Dooars, are densely wooded with Sal and other trees of the tropical evergreen type. Above , the forest type changes to subtropical.
Vegetation in northern West Bengal is influenced by factors such as altitude and rainfall. For instance, the lower slopes of the Himalayas, known as the Dooars, are densely covered with Sal and other trees typical of tropical evergreen forests. As one moves up, the forest type transitions to subtropical.