Eastern Himalaya is a gift of nature due to its uniqueness and rare experiences. The geographical range of Eastern Himalaya is starting from the eastern side of Nepal to northern Myanmar including North East India, Bhutan, and some parts of Tibet Autonomous Region. This region is the store house of many rare floras and faunas. There are many rivers flows through this region and create a very important ecosystem. The availability of different rare animals including Indian rhinoceros, water buffalo, Asian elephant etc and the Gandaki, Koshi river basin of Nepal and the Brahmaputra basins in Assam is one of the places where various rare wildlifes are available. One can enjoy the natural beauty of Himalaya at one side and can involve many different activities including forest safari, white water rafting, trekking, nature walk, bird watching etc in this Eastern and North Eastern parts of Himalayas.