Benjamin Williams Leader - Moel Siabod, North Wales

signed and dated 'B. W. Leader/1859'
oil on canvas
35 3/4 x 30"

almost certainly inspired by John Brett's The Val d'Aosta, exhibited at the RA in 1859. This picture was painted the same Summer.

http://en.wikipedia.org/wiki/File:Brett-val-d-aosta.jpg