What Are U Shaped Valleys? A U-shaped Valley is a geological formation that has steep, high sides and flat or rounded valley bottom. These valleys are created by glaciation. They usually contain lakes or rivers, sandtraps along a golf course kettle lakes (water hazards), or other natural features. Glacial erosion https://sofasandcouchescom04359.blogminds.com/what-is-sectional-u-shape-and-why-are-we-talking-about-it-27535676