What Are U Shaped Valleys? A U-shaped valley is a geological formation that has 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. The https://couch92699.blog5star.com/30235063/what-is-sectional-u-shape-and-how-to-use-it