What Are U Shaped Valleys? A U-shaped valley is a geomorphological formation with high, steep sides and a flat or rounded valley bottom. These valleys are created by glaciation. They often contain lakes rivers, sandtraps, sandtraps on golf courses kettle lakes (water hazards), or other natural features. The erosion of https://couch88148.pointblog.net/15-great-documentaries-about-sectional-u-shape-71509274