Crimple Valley Viaduct, also known as Crimple Viaduct and Crimple Beck Viaduct is a railway viaduct which crosses the Crimple Valley between Pannal railway station and Hornbeam Park railway station in North Yorkshire. It is a Grade II* listed structure. It was completed in 1848 to designs by George Hudson for the York and North Midland Railway company and built of rusticated grit stone ashlar. The contractor was James Bray.