Mountain ranges with this colorful adjective include the home of the oldest tree in the world and the home of the self-proclaimed "worst weather in the world", the Mount Washington Observatory.  
A river of this name divides just before the confluence of the Arkansas and Mississippi and manages to enter both directly. Another river of this name, a tributary of the Wabash, passes through Muncie and Indianapolis.  A sea of this name receives the Northern Dvina River at Archangel.  Mountain ranges with this colorful adjective include the home of the oldest tree in the world and the home of the self-proclaimed "worst weather in the world", the Mount Washington Observatory.  The highest mountain in the French Alps, translated into English, is also given this name.  For ten points, give the common name of the major mountain range in New Hampshire and "Mont Blanc".
A river of this name divides just before the confluence of the Arkansas and Mississippi and manages to enter both directly.
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