A rustic style switch-back tunnel dating from the mid-1780s, built by Richard Payne Knight (1751-1824) as a feature in his Picturesque landscape at Downton Castle(qv) in order to offer the visitor an unexpected view of it.
Location map of Switchback Tunnel at Downton Castle, Burrington, England. Click to enlarge.
Aerial view of Switchback Tunnel at Downton Castle, Burrington, England. Click to enlarge.
