Why are rivers of nepal not suitable for transportation?

What is the historical significance of the Suez crisis? What is the term for a frozen river? What was the name of the south American river that the lucayans travelled along while en route to the Bahamas? How many people climb mount everst? What does an animal's environment contain? Which kinds of noun is golden gate bridge? What city is near all the big temples? How people affect the Great Wall of China? How many rivers are in Luxembourg? What are the disadvantages of building a pyramid by hand? What are the features of the tropical rainforest heritage of sumatra? Who discovered the river parana? Pros and cons for keeping animals in a zoo? Where is the waterfalls found in the course of the river? What The city of Iquitos formed along the amazon in 1910 in response to the boom of what industry? How long does river delta take to form? Why might grant have wanted to capture forts donelson and henery before trying to capture the southern part of Mississippi river? What is the rought a ship travels from the pacific ocean to the port of settle would take? What is the nickname of the Volga River? What is the geographic location of nevado del ruiz?

Why are rivers of nepal not suitable for transportation?