Located to the Northeast of Aizawl, Mt. Lengteng and its surroundings have been declared a wildlife sanctuary. The second-highest mountain in the region is clothed in broad leaf and tropical evergreen forests, and sheer rocky cliffs. This paradise is home to the endangered state bird, Vavu (Mrs. Hume's Pheasant), hornbills, etc. and endangered mammals like the slow loris, the leopard, the leopard cat, the serow, the goral, the Asiatic black bear, etc. This lofty wildlife sanctuary boasts of orchids of various hues and beautiful flowering trees like rhododendrons, cherry etc.