Kettle lakes are depressions formed by the melting of large blocks of ice left behind by glaciers. As the ice melts, it creates a hollow that fills with water, resulting in a lake. These lakes can vary in size and depth, often found in clusters in glacial regions. Typically, kettle lakes are surrounded by rich vegetation and can support diverse ecosystems. They are important for wildlife, providing habitats for various species, and can also serve as recreational areas for activities like fishing and kayaking. Kettle lakes are commonly found in areas like the Northern United States and Canada.