What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides as well as a flat or rounded valley bottom. They result from glaciation and are frequently filled with lakes, rivers, sand traps on golf courses kettle lakes (water hazards), and other such natural https://www-sofasandcouches-com80065.canariblogs.com/10-books-to-read-on-sectional-u-shape-45147937