What Are U Shaped Valleys? A U-shaped Valley is an ancient geological formation with steep, high sides as well as flat or rounded valley bottom. These valleys are created by glaciation. They are often filled with lakes, rivers, sandtraps on golf courses kettle lakes (water hazards) or other natural features. https://couches43953.atualblog.com/35962661/sectional-u-shape-tools-to-ease-your-daily-life-sectional-u-shape-trick-every-individual-should-be-able-to