What Are U Shaped Valleys? A U-shaped valley is an ancient geological formation with steep, high sides and an elongated or flat valley bottom. These valleys are created by glaciation. They are often filled with lakes or rivers, sandtraps along a golf courses kettle lakes (water hazards) or other natural https://sofasandcouches84509.bloguerosa.com/29206110/10-sectional-u-shape-tricks-all-experts-recommend