Brownqueen Tunnel
Brownqueen Tunnel, also called Brown Queen Tunnel, is a railway tunnel on the Cornish Main Line between and stations in Cornwall, England.
Location
The tunnel is aligned approximately north-south and is on a left-hand curve and a falling gradient when travelling in the down direction. The tunnel itself is long although one source gives the length as and the up portal is 278 miles 16 chains from London according to the mileposts. Situated just above the River Fowey, Brownqueen Tunnel is in the same area as "Brownqueen Wood", a small forested area of about.South of the tunnel, trains pass Restormel Castle, one of the four chief Norman castles of Cornwall. To the north of the tunnel are the historic Glynn House and Bodmin Parkway station.
Construction
The tunnel opened on 4 May 1859, when the Cornwall Railway opened between and, and is still in use today.This is one of five tunnels on the Cornwall Railway, all of which are lined with masonry and topped by brickwork at the crown of the arch. This tunnel passes through of hard greenstone which the builders were able to drill and blast through using nine tons of powder.