What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with high, steep sides and a flat or rounded valley bottom. They are the result of glaciation and are frequently the home of rivers, lakes, sand traps on golf courses kettle lakes (water hazards) and other natural features. https://sofas-and-couches64947.mybjjblog.com/how-to-choose-the-right-sectional-u-shape-on-the-internet-43195410