What Are U Shaped Valleys? A U-shaped valley is an edifice of geology that has steep, high sides as well as a flat or rounded valley bottom. These valleys are formed by glaciation. They are often filled with lakes rivers, sandtraps, sandtraps on golf courses, kettle lakes (water hazards) or https://wwwsofasandcouchescom48327.blogars.com/29132613/the-reasons-sectional-u-shape-is-more-risky-than-you-think