This trek leads through Makalu Barun National Park and Conservation Area, which lies in the eastern part of Nepal. Mt. Makalu (8463 m), the world's 5th highest peak, Chamlang Himal and Barun Valley are the major sights of this region. Having a wide range of altitudinal and climatic variations, this trek offers a remarkable and diverse habitat for a variety of flora and fauna. Plants of all major ecological zones: tropical, sub-tropical, temperate, alpine and sub-alpine are found en route. The park is the home to a rich variety of wildlife also.