| Williamson Tunnels | |
|---|---|
 The Banqueting Hall chamber beneath Joseph Williamson's house. | |
| Type | Excavations; possible sandstone quarries,[1] or subterranean folly |
| Location | Edge Hill, Liverpool |
| Coordinates | 53°24′17″N 2°57′32″W / 53.404775°N 2.958839°W |
| Built | 1810–1840 |
| Restored | 1995–present |
| Restored by | Friends Of Williamson's Tunnels Joseph Williamson Society |
| Architect | Joseph Williamson |
  Location of Williamson Tunnels in Merseyside | |
The Williamson Tunnels are a series of extensive subterranean excavations in the Edge Hill area of Liverpool, England. They are thought to have been created under the direction of tobacco merchant, landowner and philanthropist Joseph Williamson between 1810 and 1840. Although popularly described as "tunnels", the majority comprise brick or stone vaulting over excavations in the underlying sandstone. The purpose of the works remains unclear and remains a subject of heavy speculation; suggestions include commercial quarrying, a philanthropic desire to provide employment, and Williamson's own eccentric interests.
After being gradually infilled with rubble and spoil during the late 19th and early 20th centuries, they remained largely inaccessible until archaeological investigations were carried out in 1995. Since then volunteers have rediscovered and excavated an extensive network of tunnels, chambers and voids across several sites, with sections open to the public. Guided tours are available at the Williamson Tunnels Heritage Centre and the Friends of Williamson's Tunnels, and volunteers continue to uncover new sections.
- ^ Lucas, Bridson and Jones (2014) "Williamson Tunnels, Edge Hill, Liverpool: an example of Georgian and early Victorian quarry restoration" in Hunger, Brown and Lucas (eds) Proceedings of the 17th Extractive Industry Geology Conference, EIG, p.13