https://canalrivertrust.org.uk/canals-and-rivers/places-to-visit/blisworth-tunnel
Blisworth Tunnel | Places to visit
Blisworth Tunnel is one of the longest in Britain. 3076 yards long and broad throughout - so that two narrowboats can pass - it is surpassed only by Standedge...
blisworth tunnelplaces
https://www.millwharfboats.co.uk/
Welcome To Blisworth Tunnel Boats : Blisworth Tunnel Boats
blisworth tunnel narrowboats, narrowboat painters, boat fitters, surveyors based in northampton
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