The Khangchendzonga Biosphere Reserve is located in the eastern Himalayas, primarily in the state of Sikkim, India. It was designated a biosphere reserve in 2010 and covers an area of approximately 2,700 square kilometers. The reserve is named after Khangchendzonga, the third-highest mountain in the world, which is a significant cultural and spiritual symbol for the local communities. This biosphere reserve is home to diverse flora and fauna, including several endangered species such as the red panda and the snow leopard. The region features a variety of ecosystems, ranging from subtropical forests to alpine meadows, making it an important area for conservation and research.