The River Trent is 185 miles (297 km) long and runs through no less than six counties. Roe River is 61 m long and is up to 2.4 m deep at the end. It was concluded that occipital bone was the thickest skull bone, while frontal bone, Your mandible, or jawbone, is the largest, strongest bone in your face. Its source is an underground spring, and its clear waters flow over a rocky river bed with a flow rate of approximately 11,000 l of water per second. The shortest river in Britain is the River Morar on the West Coast of Scotland (1000 yards long, linking Loch Morar (the deepest loch in Europe) to the sea. Find out how our expert teams work together to make life better by water, We have vacancies across all of our waterways and in the offices, museums and attractions that support them. Shortest Rivers In The World Rank River, Country Length 1 Tamborasi River, Indonesia 20 meters 2 Kovasselva River, Norway 20 meters 3 Reprua River, Georgia 27 meters 4 Ombla River, Croatia 30 meters. What is the shortest river in the UK in miles? But when it comes to deep rivers coursing through the rest of the world, we have a lot of catching up to do. Though a section of it passes through England, it passes into Wales once again before discharging into the Irish Sea via the Dee estuary. This cookie is set by GDPR Cookie Consent plugin. Canal & River Trust is a charity registered with the Charity Commission no. Along the way it has its very own waterfall in Hafren Forest, charmingly named Severn Break its Neck, and it passes through four counties, Powys in Wales, as well as Shropshire, Worcestershire, and Gloucester in England. The Roe River is recognized by the Guinness Book of World Records as the world's shortest river. The figures for mean flow are derived from those offered up by the National River Flow Archive, in particular the flow measured at the lowermost gauging stations on each named watercourse. All rivers discharging into the Thames and Medway and their estuaries. Either way, the length of the Ouse is about 52 miles (83 km) so we can assume the Ure is in the region of 77 miles (123 km). The Mekong river is 328 feet (99.9 metres) deep, so were already three times deeper than the Thames and were barely even started!