@pmcinelly784: ''A Bluff is a type of broad, rounded cliff. Most Bluffs border a river, beach, or other coastal area. Bluffs may form along a river where it meanders, or curves from side to side. River currents on the outside of the curve erode, or wear away, the lower part of a river bank.''
a hill is a piece of land that rises higher than everything surrounding it. It looks like a little bump in the Earth, Since they are higher than everything around them and are smaller than 1000 feat
that's a hill, simple and plain
and again, how are the calculations unreliable exactly and why are you mentioning it in a different thread?
not to mention that are you arguing with baseless speculation and with the animated adaptation rather than the source material