Navigations (Netherton Tunnel Branch Canal and Birmingham New Main Line), Worcester and Birmingham Canal The Thames Ring / Great Ring River Thames, Oxford Canal, Grand Union Canal Warwickshire ring Coventry Canal, Oxford Canal, Grand Union Canal, Birmingham and Fazeley Canal Incompletely navigable: Wessex Ring River Thames, Kennet and Avon Canal, Wilts and Berks Canal This ring is only possible when the Wilts and Berks Canal is fully restored. North Thames Ring River Thames, Thames and Severn Canal, North Wilts Canal, Wilts and Berks Canal This ring is only possible when the Thames and Severn Canal, North Wilts Canal and Wilts and Berks Canal are fully restored. Cotswolds Ring Thames and Severn Canal, Stroudwater Navigation, Gloucester and Sharpness Canal, River Severn, River Avon (Warwickshire), Stratford-upon-Avon Canal, Grand Union Canal, Oxford Canal, River Thames This ring is only possible when the Thames and Severn Canal and the Stroudwater Navigation are fully restored. Severn Ring Montgomery Canal, Llangollen Canal, Shropshire Union Canal, Staffordshire and Worcestershire Canal, River Severn This ring is only possible when the Montgomery Canal and River Severn are fully restored. Yorkshire Ring (Currently incomplete) Aire and Calder Navigation, Dearne and Dove Canal, Barnsley Canal, River Don Navigation, New Junction Canal This ring is possible only when the Barnsley and Dearne and Dove Canals are fully restored. See also Canals of the United Kingdom History of the British canal system References Canal rings