Llangollen Canal an Act of Abandonment in 1944, allowing it to close of canals, including much of the Shropshire Union system. However, the line from Hurleston to Llangollen and onwards to Llantisilio was saved, as it was the main supply of water to the rest of the system. On 6 September 1945, due to inadequate maintenance, the canal breached its banks east of Llangollen near Sun Bank Halt. The flow of hundreds of tons of water washed away the embankment of the railway further down the hill, creating a crater which was long and deep. This caused the first traffic of the
Llangollen Canal they crossed accompanied by the actor Hugh Griffith and his wife Gunde. The Rolts moored for nearly three months just beyond the aqueduct, near the site where their boat had been built during the First World War. In August they were joined by Roger Calvert and his family, who were attempting to reach the top of the canal in a home-made boat, which was pulled by a donkey. The Rolts travelled with them for part of the journey. Edward Wilson, another canal enthusiast, reached Trevor in his boat in 1952, and the Inland Waterways Association held a rally at Llangollen