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 usually contain lakes, rivers, sandtraps on golf course kettle lakes (water hazards) or other natural features. https://sofasandcouches15467.loginblogin.com/36569512/10-sectional-u-shape-tips-all-experts-recommend