What Are U Shaped Valleys? A U-shaped valley is a geological formation with steep, high sides and a flat or rounded valley bottom. These valleys are created by glaciation. They usually contain lakes, rivers, sandtraps on golf courses, kettle lakes (water hazards), or other natural features. The erosion of glaciers https://www-sofasandcouches-com21548.fitnell.com/70661096/7-things-you-d-never-know-about-sectional-u-shape