The area around Kalimpong lies in the Eastern Himalayas, which is classified as an ecological hotspot, one of only three among the ecoregions of India. Neora Valley National Park lies within the Kalimpong subdivision and is home to tigers. Acacia is the most commonly found species at lower altitudes, while cinnamon, ficus, bamboo and cardamom, are found in the hillsides around Kalimpong. The forests found at higher altitudes are made up of pine trees and other evergreen alpine vegetation. Seven species of rhododendrons are found in the region east of Kalimpong. The temperate deciduous forests include oak, birch, maple and alder. Three hundred species of orchid are found around Kalimpong.