Parnall's Canal was a half mile long canal that was built in Cornwall in about 1720 near St Austell. It was closed due to a rock slide in about 1732.[1] It was one of only five canals to be built in Cornwall, the others being the St. Columb Canal from Mawgan Porth to St. Columb, the Liskeard & Looe Union Canal, the Par Canal from Pontsmill to Par, and the Bude Canal.
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