Sharpness Point is a small headland projecting into the North Sea at Tynemouth, Tyne and Wear. The O.S. grid reference is NZ371699.
It is the only promontory in Northumberland with the “ness” suffix.
The word “ness” is a geographical term (or suffix) for a promontory, cape or headland, a strip of land projecting into a body of water, and derives from the Old English næs = headland (related to Old Norse nes)
References
Sharpness Point Wikipedia(Text) CC BY-SA