On clear days (which are the rule in winter thanks to the siberian anticyclone), it is
easy to see the other bank of the lake towards the East, only about 40 km away
in this point. In the North-South direction however, lake Baikal extends for almost 700
km. It is about 1.6km deep, and it alone contains about 20% of the fresh water
in the world (more than the north-american Great Lakes combined).