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
Wales vessels lost and an average loss of life of about 78 sailors per year. Wartime action caused losses near Holyhead, Milford Haven and Swansea. Because of offshore rocks and unlit islands, Anglesey and Pembrokeshire are still notorious for shipwrecks, most notably the "Sea Empress" oil spill in 1996. The first border between Wales and England was zonal, apart from around the River Wye, which was the first accepted boundary. Offa's Dyke was supposed to form an early distinct line but this was thwarted by Gruffudd ap Llewellyn, who reclaimed swathes of land beyond the dyke. The Act of Union of