What Are U Shaped Valleys? A U-shaped valley is an geological formation with high, steep sides and a flat or rounded valley bottom. These valleys are formed by glaciation. They often contain lakes, rivers, sandtraps on golf course, kettle lakes (water hazards), or other natural features. Glacial erosion causes U-shaped https://couch64735.blogdanica.com/29764676/sectional-u-shape-tips-from-the-top-in-the-business