Log entries GP11 - Taw Head 6x 0x 0x
2021-06-01 14:30 Broyleboxers (116) - Found it
FTF at 14:30
Having found GP10 in its former guise as Dartmoor Challenge 02 in April 2016 skipped that cache but signed the visitor's book in the Cranmere Pool letterbox on my way past, as we do each time we visit that iconic location.
A quick find with the aid of the hint after a steady trudge from the west.