What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides and a rounded or flat valley bottom. These valleys are formed by glaciation. They often contain lakes or rivers, sandtraps along a golf course kettle lakes (water hazards) or other natural features. Glacial https://sofasandcouchescom37566.slypage.com/30354215/what-is-sectional-u-shape-and-how-to-utilize-it