What Are U Shaped Valleys? A U-shaped valley is a geomorphological 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://sofasandcouches-com53675.blogpayz.com/29935061/this-is-the-good-and-bad-about-sectional-u-shape