There are longer and shorter trekking routes in Nepal.the country geographical structure is very much suitable for trekking.travellers from all over the world love to go trekking in Nepal to enjoy the beautiful sights on the way.there are many world famous trekking routes in Nepal.world longest and probably the best trekking route Annapurna base camp, everest base camp, upper mustang ,langtang, Manaslu etc.