NW Face of Cock Crowing Stone.
Image credit: Mark Johnstone
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That regular feathering pattern along the top might suggest post-medieval quarrying or splitting might have been involved.
"Although the stone is not marked on any historic Ordnance Survey maps, it is sited close to an old sandstone quarry marked on the 1854 map and may have been erected to mark the location of the path to the quarry. " Huddersfield Exposed: an interesting piece of information given your comment thesweetcheat.