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 rivers, sandtraps, sandtraps on golf courses kettle lakes (water hazards) or other natural features. The erosion of https://couches44416.blogoxo.com/30003550/are-sectional-u-shape-as-important-as-everyone-says