What Are U Shaped Valleys? A U-shaped valley is an ancient geological formation with 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 on golf course kettle lakes (water hazards) or other natural https://sofasandcouches56519.newsbloger.com/30343921/how-to-recognize-the-sectional-u-shape-that-s-right-for-you