What Are U Shaped Valleys? A U-shaped valley is a geological formation with high, steep sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They are often filled with lakes rivers, sandtraps, sandtraps on golf courses, kettle lakes (water hazards), or other natural features. Glacial https://sofasandcouches-com49907.educationalimpactblog.com/52157912/how-to-choose-the-right-sectional-u-shape-on-the-internet