Sugar Loaf Tunnel
Encyclopedia
Sugar Loaf Tunnel is a disused railway tunnel on the former Hull and Barnsley Railway
Hull and Barnsley Railway
The Hull Barnsley & West Riding Junction Railway and Dock Company was opened on 20 July 1885. It had a total projected length of 66 miles but never reached Barnsley, stopping a few miles short at Stairfoot. The name was changed to The Hull and Barnsley Railway in 1905...

 between Everthorpe
Everthorpe
Everthorpe is a hamlet in the East Riding of Yorkshire, England. It is situated approximately west of Hull city centre and east of the market town of Howden, midway between North Cave and South Cave. It lies north of the A63 road and west of the A1034 road.It forms part of the civil parish of...

 and Little Weighton
Little Weighton
Little Weighton is a village in the East Riding of Yorkshire, England. It is situated approximately south west of Beverley town centre.Little Weighton forms part of the civil parish of Rowley....

. The tunnel is 132 yards long and was built through magnesian limestone of Permian
Permian
The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...

 age, referred to locally as "chalk
Chalk
Chalk is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite plates shed from micro-organisms called coccolithophores....

". The bore has been cleared of rubble but quarrying is threatening the eastern portal and chalk has now encroached to within twenty yards of the tunnel. The tunnel is in very poor condition although access remains at both ends.

Sugar Loaf Tunnel lies to the west of the much longer Drewton Tunnel
Drewton Tunnel
Drewton Tunnel is a disused railway tunnel on the now closed Hull to Barnsley railway line - , western portal and , eastern portal. The tunnel is cut through chalk and the lining is a mix of bare chalk walls and brick. The first rail traffic used the tunnel in 1885...

 and east of Weedley Tunnel
Weedley Tunnel
Weedley Tunnel at is a disused tunnel on the former Hull and Barnsley Railway. Weedley Tunnel is 132 yards long with a slight curvature. It was originally built to carry two tracks. Access to the tunnel is now restricted, as gates were installed on both portals in 2010...

.
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