Trekking means long journey to be taken on foot to the remote areas where basic transports are not available. Trekking is not climbing, hiking which is walking along the countryside with adventure. Nepal is popular trekking destination in the world as it has Everest region, Annapurna region, Langtang region, Dolpo region and many more remote areas where one can enjoy the scenic beauty with cultural variations and differentiation even this small country. When you chose the trekking destination, you need to be confident that you will have no problem such an altitude where you will trek through. There are different entry permits for different region to do a trek.