What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with steep, high sides and a rounded or flat valley bottom. These valleys are created by glaciation. They often contain lakes or rivers, sandtraps along a golf course, kettle lakes (water hazards) or other natural features. Glacial erosion https://sofasandcouches-com17759.qodsblog.com/29903649/a-an-instructional-guide-to-sectional-u-shape-from-start-to-finish