Pound Bend Tunnel
The Pound Bend Tunnel, or the Evelyn Tunnel, is a diversion tunnel on the Yarra River at Warrandyte, Victoria, Australia, approximately 24 km north-east of Melbourne. The tunnel is 145 metres long, six metres wide and four metres deep. The tunnel is in the Pound Bend section of the Warrandyte State Park.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).