Birks Tarn lies on the flat ridge of moorland between Littondale and Wharfedale/Langstrothdale. The pool is surrounded by grass and peaty areas and is presumably very shallow. The distant hill is Buckden Pike.
Uploaded to Geograph by Trevor Littlewood on 14 September 2007
Photo © Trevor Littlewood, 14 September 2007. Licensed for reuse under this Creative Commons licence