What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides and an elongated or flat valley bottom. These valleys are formed by glaciation. They often contain lakes, rivers, sandtraps on golf courses kettle lakes (water hazards), or other natural features. The erosion of https://sofa23270.blogcudinti.com/29863987/how-to-tell-the-good-and-bad-about-sectional-u-shape