The route from Coldwater to Alpena takes you from the southern border of Michigan to the shores of Lake Huron. You will travel north on I-69 and I-75 before cutting across on M-33. The total distance is about 310 miles, requiring roughly 5 hours and 30 minutes of driving. This journey transitions from industrial hubs to the quiet, forested landscapes of Northeast Michigan. Alpena is famous for its maritime history and the Thunder Bay National Marine Sanctuary.
Total Distance: 500 km driving distance; 410 km straight-line air distance.
The final stretch on M-33 is a two-lane highway; watch for logging trucks.
June through August for maritime activities and lakefront exploration.