What Are U Shaped Valleys? A U-shaped valley is an ancient geological formation with high, steep sides and an elongated or flat valley bottom. These valleys are formed by glaciation. They often contain lakes or rivers, sandtraps along a golf courses kettle lakes (water hazards) or other natural features. The https://couch55741.bleepblogs.com/30375467/15-interesting-facts-about-sectional-u-shape-you-ve-never-heard-of