What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with steep, high sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They usually contain lakes or rivers, sandtraps along a golf course, kettle lakes (water hazards), or other natural features. Glacial erosion https://sofasandcouches-com55492.post-blogs.com/51317942/what-s-the-reason-sectional-u-shape-is-everywhere-this-year