Keywords: Richard Wilson - The Mawddach Valley and Cader Idris - WGA25770.jpg ca 1774 Oil on canvas size cm 102 107 Institution Walker Art Gallery Liverpool object history credit line accession number WGA link 25770 http //www wga hu/art/w/wilson/mawddach jpg http //www wga hu/html/w/wilson/mawddach html PD-old-100 painting landscape English 1751-1800 Richard Wilson painter Walker Art Gallery Liverpool 18th-century paintings WGA form painting WGA type landscape WGA School English WGA time period 1751-1800 River Mawddach Cadair Idris |