The Grand River, the largest river in Michigan, flows through downtown Lansing, and the Red Cedar River, a tributary of the Grand, flows through the campus of Michigan State University to its confluence with the Grand in Lansing. Sycamore Creek, a tributary of the Red Cedar, flows northward through the southeastern part of the city. There are two lakes in the area, Park Lake and Lake Lansing, both northeast of the city. Lake Lansing is approximately in size and is a summer favorite for swimmers, boaters, and fishermen. Michigan State University Sailing Club and the Lansing Sailing Club are located on Lake Lansing, where sailing regattas are hosted throughout the summer.