Middle Island Sinkhole

A sinkhole 75 ft. under Lake Huron’s surface

(989) 356-8805 Website

newsletter icon

Sign Up for Our Newsletter

Stay up to date with the latest news

newsletter icon

Get Our Travel Planner

Find inspiration for your next adventure

Alpena Logo

CONTACT US

PRIVACY POLICY

SITEMAP

Alpena Area Convention & Visitor Bureau

Address Icon420 N. 2nd Ave. Alpena, MI 49707
Address Icon989-340-2288 Address IconEmail Us

© Alpena, Michigan | Privacy Policy

newsletter icon

Sign Up for Our Newsletter

Stay up to date with the latest news

newsletter icon

Get Our Travel Planner

Find inspiration for your next adventure

Go to Top