This 13.5 mi standard-gauge branch line railway ran to a civil parish situated about how far above sea level?
Alston line: The Alston line was a 13.5 mi standard-gauge branch line railway that operated in the counties of Northumberland and Cumberland in England. Alston, Cumbria:  It shares the title of the 'highest market town in England', at about 1,000 ft above sea level, with Buxton, Derbyshire.
i don't know