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Subterranea Scotia

Nant Power Station - Access Tunnel

Nant Power Station sign


The access tunnel is 961ft long, 17ft wide, 15ft high. It runs straight for most of its length until it bends sharply on the final approach to the machine hall. In common with most such tunnels, it is unlined except at the portals. A rare sight: the lights are on, the gate is open, and someone is at home!

Nant power station - portal

Photo: Nant power station - portal
Photo by: Mike Ross


Looking down from the portal, the lights recede into the distance

Nant power station - access tunnel

Photo: Nant power station - access tunnel
Photo by: Mike Ross


Looking back up the access tunnel from the bend, daylight visible:

Nant power station - access tunnel

Photo: Nant power station - access tunnel
Photo by: Mike Ross


On the right-hand side of the tunnel, at the start of the bend, a gated adit slopes down. This gives access to the tailrace and draft tubes, see this page for details:

Nant power station - entrance to draft tube adit

Photo: Nant power station - entrance to draft tube adit
Photo by: Mike Ross


Around the bend, the tunnel approaches the brightly-lit machine hall:

Nant power station - access tunnel

Photo: Nant power station - access tunnel
Photo by: Mike Ross


On the final approach to the machine hall, a couple of chambers have been excavated on the right - switchroom, battery room, office/mess, and lavatory:

Nant power station - access tunnel

Photo: Nant power station - access tunnel
Photo by: Mike Ross



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Last updated 5th March 2003
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