Foulridge Tunnel
| Southern entrance | |
| Overview | |
|---|---|
| Location | Foulridge | 
| Coordinates | 53°52′28″N 2°10′56″W / 53.8745°N 2.1821°W | 
| Status | Open | 
| Waterway | Leeds and Liverpool Canal | 
| Start | 53°52′41″N 2°10′21″W / 53.8781°N 2.1726°W | 
| End | 53°52′15″N 2°11′30″W / 53.8708°N 2.1916°W | 
| Operation | |
| Constructed | 1792–1796 | 
| Opened | 3 May 1796 | 
| Owner | Canal & River Trust | 
| Technical | |
| Design engineer | Robert Whitworth Samuel Fletcher | 
| Length | 1,630 yd (1,490 m) | 
| Tunnel clearance | 13 ft (4.0 m) | 
| Width | 17 ft (5.2 m) | 
| Towpath | No | 
| Boat-passable | Yes | 
The Foulridge Tunnel (/ˈfoʊlrɪdʒ/) is a canal tunnel on the Leeds and Liverpool Canal in Foulridge, Lancashire. Also known as the Mile Tunnel, Foulridge is 1,630 yards (1,490 metres) long and was built by Samuel Fletcher, following Robert Whitworth's 1789 survey. The tunnel is the longest in the country to allow passage of canoes and kayaks.