What Are U Shaped Valleys? A U-shaped valley is an geological formation with high, steep sides and a rounded or flat valley bottom. They result from glaciation, and are usually home to lakes, rivers, sand traps on golf courses kettle lakes (water hazards) and other natural features. Glacial erosion forms https://couch36408.blogzag.com/74129571/why-sectional-u-shape-is-everywhere-this-year