Tags: Canal.
The Jamestown Canal (Irish: Canáil Chill Srianáin) bypasses a non-navigable section of the River Shannon between Jamestown and Drumsna in Ireland.The canal is 2.6 km in length and is located in County Roscommon.The Shannon Commissioners constructed the canal in 1848 to replace an earlier smaller canal as part of a widescale upgrade of the Shannon Navigation.