Forgotten Relics Rambles: Thornton to Queensbury

A walk along the route of the Great Northern's former railway from Thornton to Queensbury - now a well-used walking and cycling trail - looking at the line's history and key engineering features, including a large viaduct and two tunnels.
------
Music Stings: 'Happiness' by bensound.com
Incidental Music: 'Eagle Rock' by Wes Hutchinson, Absolution by Scott Buckley and 'November' by bensound.com
Aerial Imagery: Google Earth
Historic Maps: National Library of Scotland