River Wye boundary, and beyond it at least to Hay on Wye. A horse towing path was added in 1808, but only up to Hereford; previously, as on the River Severn, barges were man-hauled. Money was spent several times improving the River Lugg from Leominster to its confluence with the Wye at Mordiford, but its navigation is likely to have been difficult. The Wye remained commercially navigable until the 1850s, when commercial traffic moved to railways. It is still used by pleasure craft. In 2017 MORE than 600 people took to the River Wye in inflatables ranging from dinghies to paddling pools
England–Wales border an exclave of Flintshire, between Bangor-on-Dee (in Wales) and Whitchurch (in England). Returning to the River Dee as far as Chirk, the boundary then loops to the west, following Offa's Dyke itself for about , and including within England the town of Oswestry, before reaching the River Vyrnwy at Llanymynech. It follows the Vyrnwy to its confluence with the River Severn, and then continues southwards, rising over Long Mountain east of Welshpool. East of Montgomery, the boundary again follows the line of Offa's Dyke for about , before looping eastwards to include within Wales a large area near Churchstoke. It