Definition: Sidehills are typically defined as a group of hills or mountains that are located on either side of a river, lake, or other waterway. The name comes from the fact that they often appear to be split in two, with one side being higher and the other lower due to the elevation difference between the land and the water. In terms of geography and landscape, sidehills can have a variety of meanings depending on their location and context. For example, a sidehill might refer to