The River Calder is a major tributary of the River Ribble starting above Burnley, passing through Padiham and Altham then joining the Ribble near Whalley, passing the ruins of Whalley Abbey then being crossed by the red brick Whalley Viaduct.
The River Calder is a major tributary of the River Ribble starting above Burnley, passing through Padiham and Altham then joining the Ribble near Whalley, passing the ruins of Whalley Abbey Whalley Viaduct. This Whalley Abbey is then being crossed by the red brick.