Blea Moor Tunnel

Blea Moor tunnel from the Dent side (north)

Blea Moor tunnel from the Dent side (north)

 
The Blea Moor Tunnel is the longest tunnel on the Carlisle to Settle Railway. It is 2,629 yd (2,404 m) long, between Ribblehead Viaduct and Dent Head Viaduct. It took almost five years to build finally being completed in 1875, is twice as long as the second longest tunnel, Rise Hill Tunnel, and passes some 500 feet below the moor after which it was named.
 
Due to boundary changes in 1974 – you leave North Yorkshire and enter Cumbria, or vice-versa as you pass through the tunnel.
 
Built by the Midland Railway, it took more than four years to complete, passes some 500 feet below the moor after which it was named and was built with the aid of seven separate construction shafts sunk from the moor above. This permitted no fewer than sixteen separate gangs of workers to be used during construction (one from each open end and two from the foot of each of the shafts).
 
Four of these were subsequently filled in but three were retained for ventilation purposes and are still used as such today.
 
Blea Moor Tunnel

The first of the air shafts from the Ribblehead end.

 
Force Gill Aqueduct

The entrance to the longest tunnel on the line – looking north to Blea Moor tunnel (south end) from Force Gill Aqueduct

 
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