Text and photographs copyright of Jim Shead.
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Waterway's place in Cornwall :
An abandoned Cornish tub boat canal.
Intended as a 13 mile tub-boat canal from the sea at Mawgan Porth inland to Columb Major then back to the sea at Lower St. Columb Porth. Two lengths of 4.5 and 2 miles with inclined planes were built.
Authorised by an Act of 1773, opened between 1777 and 1779, closed about 1781.
For more details see the History page.