Nepal Trekking Arun Valley Trek lies in the lap of Mt. Makalu in the eastern region.This is the fifth highest mountain with the elevation of 8481 m. This is also one of the best trekking destination. We have to fly one hours to Tumlingtar and drive to chichila village with the settlement of Rai, Limbu, Black smith, and Sherpa. The view is super perfect from Arun Valley. The panoramic views of snow capped mountains can be observe route is situated in the Makalu region, Arun Valley is blessed with the vast diversity of natural wonders and culture. This valley lies between the world\'s highest mountain, Mt. Everest (8848 m).