What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with steep, high sides and a flat or rounded 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://sofas-and-couches37869.blognody.com/29845879/what-s-the-fuss-about-sectional-u-shape