Richard A Thackeray
Legendary Member
The tunnel is pictured here, with track in place; https://blog.railwaymuseum.org.uk/in-pictures-constructing-the-scar-house-dam/Yes. The line was originally built for the building of Angram reservoir which was completed in 1915 and then cut back to site for Scarr House Reservoir, completed in 1936. The Nidd Valley closed the following year, a public passenger service having operated between Pateley Bridge and Lofthouse from where the contractors railway commenced.