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Report - Tintern Tunnel, Tintern - June 2012

Discussion in 'Underground Sites' started by cunningcorgi, Jul 8, 2012.

  1. cunningcorgi

    cunningcorgi 28DL Regular User
    Regular User

    Apr 12, 2011
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    The southern end of the tunnel is immediately beyond the north-facing junction from which the Tintern Wireworks branch left the main line. Part of the hill was removed to accommodate the portal which is fashioned from masonry and boasts elegant voussoirs and keystone. Only the haunches and soffit are lined throughout; in places this structure is supported by vertical side walls whilst elsewhere arches and pillars are provided allowing an insight into the area's geology. Its north portal overlooks the River Wye, where a railway structure was dismantled following closure of this part of the Wye Valley Railway in 1964.

    The lining appears to be 'independent' of the tunnel walls. Loose material behind it has been prevented from falling onto the tunnel floor by the insertion of joists. The bore's most northerly 15 feet benefits from an additional two-brick-thick lining, presumably to provide additional strengthening. A channel of engineering bricks - six wide - runs throughout the structure at the crown.

    Just 182 yards in length and built by Reed Bros of London, curvature prevents one end of the tunnel being seen from the other. The first train to climb its 1:80 rising gradient towards Chepstow did so on 1st November 1876; the last one enjoyed the experience on 6th January 1964.


    Fourth and last visit of a long day. Visited with wonkycows.

    1. Northern portal

    2. Heading southwards

    3. Internal view, northern portal

    4. Southern portal appears

    5. Looking back north

    6. Internal view, southern portal and arches

    7. Southern portal

    Thanks for looking.

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