What Are U Shaped Valleys? A U-shaped valley is a geological formation with high, steep sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They often contain lakes rivers, sandtraps, sandtraps on golf course, kettle lakes (water hazards) or other natural features. The process of https://www-sofasandcouches-com98149.blogdun.com/30439218/this-is-the-good-and-bad-about-sectional-u-shape