Accessible tunnels
Atlantic
Ocean
North
Sea
Unexcavated or
suspected tunnels
UNITED
KINGDOM
Liverpool
IRELAND
London
Wavertree Rd.
Mason St.
Highgate St.
Friends of
Williamson’s
Tunnels
Smithdown Ln.
Williamson Tunnels
Heritage Centre
Grinfield St.
200 feet
60 meters
Accessible tunnels
Atlantic
Ocean
North
Sea
Unexcavated or
suspected tunnels
UNITED
KINGDOM
Liverpool
IRELAND
London
Wavertree Rd.
Mason St.
Highgate St.
Friends of
Williamson’s Tunnels
Smithdown Ln.
Williamson Tunnels
Heritage Centre
Grinfield St.
200 feet
60 meters
Irvine St.
Atlantic
Ocean
North
Sea
UNITED
KINGDOM
Liverpool
IRELAND
Wavertree Rd.
Mason St.
London
Accessible tunnels
Unexcavated or
suspected tunnels
Friends of
Williamson’s Tunnels
Smithdown Ln.
Grove St.
Highgate St.
Williamson Tunnels
Heritage Centre
Grinfield St.
Oxford St. E
200 feet
60 meters