If you're looking for a fun, inexpensive family vacation, then Hamlin Lake is where you want to be. It offers terrific summer recreation, including swimming, boating, tubing, and fishing. At more than 12 miles long and 5,000 acres large, there's more than enough space for everyone without feeling crowded. This man-made lake originated during the logging hey-day when lumbermen dammed the Big Sable River to make an enormous holding pond for trees felled upstream.