What Are U Shaped Valleys? A U-shaped valley is a geological formation with steep, high sides and a rounded or flat valley bottom. These valleys are created by glaciation. They often contain lakes rivers, sandtraps, sandtraps on golf courses kettle lakes (water hazards), or other natural features. The erosion of https://sofa09957.azzablog.com/29968313/10-top-books-on-sectional-u-shape