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. They are the result of glaciation, and are usually home to lakes, rivers and sand traps found on golf courses, kettle lakes (water https://wwwsofasandcouchescom53029.thekatyblog.com/29090523/why-all-the-fuss-sectional-u-shape