What Are U Shaped Valleys? A U-shaped valley is an geological formation that has steep, high sides and a flat or rounded 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://www-sofasandcouches-com83157.humor-blog.com/29139764/comprehensive-list-of-sectional-u-shape-dos-and-don-ts