What Are U Shaped Valleys? A U-shaped valley is an geological formation that has steep, high sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They often contain lakes or rivers, sandtraps along a golf courses kettle lakes (water hazards) or other natural features. The https://couch82599.alltdesign.com/is-sectional-u-shape-as-vital-as-everyone-says-49611430