What Are U Shaped Valleys? A U-shaped valley is an geological formation with high, steep sides and a 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://sofas-and-couches48538.full-design.com/why-sectional-u-shape-could-be-greater-dangerous-than-you-think-72465380