Why Tahquamenon Falls Looks Like Root Beer
Tahquamenon's Upper Falls is Michigan's largest waterfall. Its amber water and pale foam come from tannins, soft water, and the force of the falls.
Here is the clean answer to the size question: the Michigan DNR calls the Upper Falls Michigan’s largest waterfall. It is about 200 feet wide and 50 feet tall. For the broader comparison, DNR uses the careful wording “one of the largest in the eastern United States.” Claims that rank it second or third east of the Mississippi depend on what is being measured, so they are not very helpful.
The memorable part is the color. Tannins from the surrounding swamps give the river its deep amber shade. When that soft water goes over the ledge, the force of the falls whips it into pale foam. That is where the root-beer comparison comes from.
About four miles downstream, the Lower Falls breaks into smaller cascades around an island. You can reach the island on the Ronald A. Olson Island Bridge or by renting a rowboat. DNR asks visitors to use only the designated wading areas to protect the shoreline. The nearly 50,000-acre park crosses Luce and Chippewa counties, and DNR describes it as Michigan’s second-largest state park.
Where to see it
Tahquamenon Falls State Park is open year-round from 8 a.m. to 10 p.m., and a Recreation Passport is required for vehicle entry. Check the DNR page for current trail, shuttle, and concession details.
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Sources
Last reviewed against the listed sources: July 16, 2026.