The moorland is S of Black Law on Ettersgill Common, with the slopes of Westernhope Moor distant. It's possible that the ice-filled groove is a naturally occurring feature but it's just as likely to be a man-made water cut.
Uploaded to Geograph by Trevor Littlewood on 30 January 2010
Photo © Trevor Littlewood, 30 January 2010. Licensed for reuse under this Creative Commons licence