Elk River Chain of Lakes Watershed
The Elk River Chain of Lakes Watershed, commonly known as the Chain of Lakes, is a 75-mile-long (121 km) waterway consisting of numerous lakes and connecting rivers in the northwestern Lower Peninsula of the U.S. state of Michigan. The watershed empties via the Elk River in Elk Rapids into the East Arm of Grand Traverse Bay, a bay of Lake Michigan.
Source: Wikipedia — Elk River Chain of Lakes Watershed (CC BY-SA 4.0)