What Are U Shaped Valleys? A U-shaped valley is an geological formation with steep, high sides and a flat or rounded valley bottom. They are the result of glaciation and are often home to lakes, rivers and sand traps on golf courses, kettle lakes (water hazards), and other such natural https://wwwsofasandcouchescom68346.bloggip.com/29911502/you-re-about-to-expand-your-sectional-u-shape-options