There is a small but fantastic picnic spot at the coordinates below - it’s on the north bank of the stream, beside a small waterfall. Requires sure-footedness to walk carefully down the bank from the path. (53.4495983, -1.8548032)
This gorge is known as “The Thrutch” and folklore says the chapel was formed when the King of the Fairies, aiding Robert of Huntingdon to overcome a curse, turned a local coven of witches to stone.
Treacherous segment of trail, only tackle if prepared, it's wet, steep and slippery. A long way down if you misstep, leads into the valley and into the river.