Question: what is the longest river in great britain
Answer: Rank River Length ( miles ) Length ( km ) Country River Severn 220 354 Wales / England River Thames 215 346 England River Trent 185 297 England River Great Ouse 143 230 England River Wye 134 215 Wales / England 6 River Ure / River Ouse , Yorkshire 129 208 England 7 River Tay 117 188 Scotland 8 River Clyde 109 176 Scotland 9 River Spey 107 172 Scotland 10 River Nene 100 161 England 11 River Bann / Lough Neagh 99 159 Northern Ireland 12 River Tweed 96 155 Scotland / England 13 River Avon , Warwickshire 96 154 England 14 River Eden , Cumbria 90 145 England 15 River Dee ,