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Latitude: 50.2391 / 50°14'20"N
Longitude: -5.1551 / 5°9'18"W
OS Eastings: 175113
OS Northings: 42446
OS Grid: SW751424
Mapcode National: GBR Z7.C4YW
Mapcode Global: FRA 082D.KF8
Plus Code: 9C2P6RQV+MW
Entry Name: Tunnel at SW 751424 Se
Listing Date: 3 February 1986
Grade: II
Source: Historic England
Source ID: 1140911
English Heritage Legacy ID: 63237
ID on this website: 101140911
Location: Twelveheads, Cornwall, TR4
County: Cornwall
Civil Parish: Gwennap
Traditional County: Cornwall
Lieutenancy Area (Ceremonial County): Cornwall
Church of England Parish: St Day
Church of England Diocese: Truro
Tagged with: Architectural structure
GWENNAP HALE MILLS
SW 74 SE
5/138 Tunnel at SW 751424 SE
-
GV II
2 tunnels under railway embankment. Early C19. Built for The Redruth and
Chasewater Railway. Granite arches and copings, elvan vaults and killas walling. 2 tunnels approximately 35m long at higher level for road. Embankment has battered coped rubble walls with similar but sloping return walls to buttress angles. Tunnel have horseshoe shaped portals to east and west with crudely rock-faced granite voussoirs and jambstones. Keystones rise to higher level.
Interior has coursed elvan vault to each tunnel.
These tunnels are near the principal intersection of the railway with the line
crossing the embankment towards Poldice Mine and planned to be extended to
Chacewater, but never completed. The Redruth and Chasewater Railway began in 1824 and was horse drawn until steam locomotives were introduced in 1854.
Listing NGR: SW7511342446
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