BANGALORE: Ready to take a chill pill this summer? Then try traveling to some of the top mountain passes this time. What is a mountain pass? It is a route through a mountain range or over a ridge. Also it is a lowest possible route locally the highest point on that route. These high mountain passes not only play an important role in trade, war and immigration but they are also known to be the popular passes for tourists to travel. Also, the great Indian mountain ranges offer some of the most beautiful but dangerous road drive through the high altitude passes or Ghats. Let's have a look at the top 10 high mountain passes in India. 1. Dungri La Pass: Dungri La Pass or popularly known Mana Pass is a high attitude mountain pass with an elevation of 5,608 m (18,399 ft).