What Are U Shaped Valleys? A U-shaped Valley is an edifice of geology that has steep, high sides and a flat or rounded valley bottom. These valleys are formed by glaciation. They usually contain lakes or rivers, sandtraps along a golf course, kettle lakes (water hazards), or other natural features. https://couches57210.boyblogguide.com/29211650/everything-you-need-to-know-about-sectional-u-shape-dos-and-don-ts