23121. River South Esk (56.7N, 2.53W) , Stream 23122. River South Tyne (54.98N, 2.12W) , Stream 23123. River Sow (52.8N, 2W) , Stream 23124. River Spean (56.92N, 4.98W) , Stream 23125. River Spey (57.67N, 3.1W) , Stream 23126. River Sprint (54.35N, 2.75W) , Stream 23127. River Stiffkey (52.97N, 0.95E) , Stream 23128. River Stinchar (55.1N, 5W) , Stream 23129. River Stort (51.77N, 0.03E) , Stream 23130. River Stour (50.73N, 1.77W) , Stream 23131. River Stour (51.3N, 1.37E) , Stream 23132. River Stour (51.95N, 1.3E) , Stream 23133. River Stour (52.33N, 2.28W) , Stream 23134. River Strae (56.4N, 5.02W) , Stream 23135. River Strathy (58.57N, 4W) , Stream 23136. River Swale (54.08N, 1.33W) , Stream 23137. River Taff (51.47N, 3.15W) , Stream 23138. River Tain (57.82N, 4.03W) , Stream 23139. River Talisker (57.27N, 6.47W) , Stream 23140. River Tamar (50.47N, 4.22W) , Stream 23141. River Tame (52.72N, 1.68W) , Stream 23142. River Tanat (52.78N, 3.12W) , Stream 23143. River Tanat (52.78N, 3.12W) , Stream 23144. River Tarff (57.13N, 4.67W) , Stream 23145. River Tas (52.6N, 1.32E) , Stream 23146. River Tavy (50.47N, 4.15W) , Stream 23147. River Taw (51.08N, 4.22W) , Stream 23148. River Tawe (51.62N, 3.93W) , Stream 23149. River Tay (56.37N, 3.35W) , Stream 23150. River Team (54.95N, 1.63W) , Stream 23151. River Tees (54.63N, 1.16W) , Stream 23152. River Teifi (52.08N, 4.67W) , Stream 23153. River Teign (50.57N, 3.5W) , Stream 23154. River Teirw (52.92N, 3.2W) , Stream 23155. River Teise (51.18N, 0.42E) , Stream 23156. River Teith (56.13N, 3.98W) , Stream 23157. River Teme (52.17N, 2.22W) , Stream 23158. River Tern (52.68N, 2.65W) , Stream 23159. River Test (50.93N, 1.47W) , Stream 23160. River Teviot (55.58N, 2.43W) , Stream | 23161. River Thame (51.63N, 1.15W) , Stream 23162. River Thames (51.5N, 0.47E) , Stream 23163. River Thames Sea Reach (51.5N, 0.58E) , Estuary 23164. River Thet (52.4N, 0.75E) , Stream 23165. River Thraill (57.53N, 5.47W) , Stream 23166. River Thrushel (50.62N, 4.3W) , Stream 23167. River Thrushell (50.62N, 4.3W) , Stream 23168. River Thurne (52.68N, 1.55E) , Stream 23169. River Thurso (58.6N, 3.5W) , Stream 23170. River Tiddy (50.4N, 4.3W) , Stream 23171. River Till (55.68N, 2.2W) , Stream 23172. River Tilt (56.77N, 3.83W) , Stream 23173. River Tirry (58.03N, 4.43W) , Stream 23174. River Tone (51.12N, 2.98W) , Stream 23175. River Torridge (51.05N, 4.2W) , Stream 23176. River Tove (52.07N, 0.83W) , Stream 23177. River Towy (51.8N, 4.33W) , Stream 23178. River Treig (56.88N, 4.72W) , Stream 23179. River Trent (53.7N, 0.7W) , Stream 23180. River Tromie (57.08N, 4W) , Stream 23181. River Trothy (51.78N, 2.7W) , Stream 23182. River Truim (57.03N, 4.17W) , Stream 23183. River Trym (51.48N, 2.63W) , Stream 23184. River Tryweryn (52.92N, 3.58W) , Stream 23185. River Tummel (56.63N, 3.67W) , Stream 23186. River Turret (56.98N, 4.73W) , Stream 23187. River Tweed (55.77N, 2W) , Stream 23188. River Twrch (52.03N, 3.95W) , Stream 23189. River Twrch (52.68N, 3.5W) , Stream 23190. River Twymyn (52.63N, 3.73W) , Stream 23191. River Tyne (56.02N, 2.62W) , Stream 23192. River Tyne (55.01N, 1.43W) , Stream 23193. River Ugie (57.5N, 1.78W) , Stream 23194. River Ure (54.08N, 1.33W) , Stream 23195. River Urie (57.32N, 2.5W) , Stream 23196. River Ury (57.32N, 2.5W) , Stream 23197. River Usk (51.58N, 2.98W) , Stream 23198. River Vyrnwy (52.77N, 3W) , Stream 23199. River Vyrnwy (52.77N, 3W) , Stream 23200. River Waldon (50.85N, 4.25W) , Stream |