What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides and a flat or rounded valley bottom. They are the result of glaciation and are often the home of rivers, lakes, sand traps on golf courses kettle lakes (water hazards) and other natural https://www-sofasandcouches-com21548.fitnell.com/70661096/7-things-you-d-never-know-about-sectional-u-shape