What Are U Shaped Valleys? A U-shaped valley is an edifice of geology that has steep, high sides as well as an elongated or flat valley bottom. These valleys are created by glaciation. They often contain lakes, rivers, sandtraps on golf course kettle lakes (water hazards) or other natural features. https://couch75594.blogolize.com/all-inclusive-guide-to-sectional-u-shape-69197898