What Are U Shaped Valleys? A U-shaped valley is an geological 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://couches95322.blogstival.com/52276300/10-sectional-u-shape-hacks-all-experts-recommend