America's first designated national river flows freely till 153 miles.
Buffalo river is the America's first designated national river which flows from Northern Arkansas. It is freely flows till 153 miles which is 246 km long.
It flows in many countries such as newton, Searcy, Marion and Baxter countries. the head waters of buffalo is located in Boston mountains.
Thus it is the only free flowing river left in America.
Learn more about Boston mountain here:
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