What Are U Shaped Valleys? A U-shaped valley is an geological formation that has steep, high sides and a flat or rounded valley bottom. These valleys are formed by glaciation. They are often filled with lakes or rivers, sandtraps along a golf course, kettle lakes (water hazards), or other natural https://couch55741.bleepblogs.com/30305136/why-sectional-u-shape-is-your-next-big-obsession