What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with steep, high sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They usually contain lakes or rivers, sandtraps along a golf courses kettle lakes (water hazards), or other natural features. Glacial erosion https://sofa75293.ssnblog.com/29324628/how-sectional-u-shape-transformed-my-life-for-the-better