What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides and a flat or rounded 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://sofas-and-couches07054.look4blog.com/68720098/10-top-books-on-sectional-u-shape