Bulldog Tunnel

The Bulldog Tunnel, which carried the former Canadian Pacific Railway (CP) southern main line under Bulldog Mountain, is in the West Kootenay region of southeastern British Columbia. By rail, the tunnel was 71.3 kilometres (44.3 mi) northeast of Grand Forks, and 39.8 kilometres (24.7 mi) west of Castlegar.

Google Maps ↗ Wikipedia ↗

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in Canada

Delaware Aqueduct United States · 137 km Päijänne Water Tunnel Finland · 120 km Orange–Fish River Tunnel South Africa · 82.8 km Ishikawa Tunnel Japan · 78.5 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Hong Kong–Zhuhai–Macau Bridge China · 55 km