The diversity of trekking in Nepal is rising dramatically day by day, that kind of trekking cannot find anywhere in the entire world. In Nepal, above the sea level the highest point is Mount Everest which is 8848 square km and the lowest point is 59m. The trekkers come to Nepal through Trivhuvan International Airport (TIA) via different airlines. The trekkers must acquire the permits and some documentation. It can be provided by trekking agent or by the appropriate offices. Different types of trekking have been available with us. Around the Kathmandu and Pokhara valley, there are several short treks that is completed within a single day, two or three day treks from a week to a month and numbers of Long trekking that may spend within a month just walking up/down/through/around the Himalayas.