Loch with a famous cryptid (4)

I believe the answer is:

ness

(Other definitions for ness that I've seen before include "Eliot -, led effort against Al Capone; Scots loch" , "Loch in the Great Glen" , "Loch of monster fame" , "Headland, cape" , "something added for quality" .)

I've seen this clue in the USA Today.

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