The stream of Potter Burn is unremarkable in its upper section and also lower as it heads towards Actonmill Bridge but for a short section around and above 300m in altitude it flows in a deepish slot passing the overhanging Ravens Crag.
Uploaded to Geograph by Trevor Littlewood on 24 June 2011
Photo © Trevor Littlewood, 24 June 2011. Licensed for reuse under this Creative Commons licence