Where does “Up North” begin in Michigan? Many believe it’s at the Mason-Arenac Line, but locals are divided.

What is The Mason-Arenac Line?

canva.com
canva.com
loading...

One thing I have heard my whole life, living in Michigan, is family, friends, and neighbors saying they're going up north for the weekend. Living in Holly, which is in Oakland County, going north may mean going to Gladwin or further up. People living in Niles might consider going to Grand Haven as going up north.

Michigan Department of Natural Resources
Michigan Department of Natural Resources
loading...

Recently, Michiganders have posted online that the boundary for what is considered up north is the Mason-Arenac Line on the DNR map above. Despite the name, this line isn’t connected to Mason or Arenac counties because it's the name of a boundary created in the 1800s that marked where the bulk of state lands began.

Read More: Where to Find U.P.’s Tastiest Pasties, According to Locals

I have always felt that 'Up North' begins at M-82 on the west side and M-46 on the east side.

Many Michiganders Say Up North Begins at the Mason-Arenac Line

canva.com
canva.com
loading...

The Michigan Reddit page has a post that marks the Mason-Arenac Line as where up north begins in the Lower Peninsula. Below are a few comments on what people had to say about that line.

Michigan Reddit Page/canva.com
Michigan Reddit Page/canva.com
loading...

West Branch is where the Mason-Arenac Line is located.

Michigan Reddit Page/canva.com
Michigan Reddit Page/canva.com
loading...

I don't think this poster understands that Cadillac is almost straight across the state from West Branch.

Michigan Reddit Page/canva.com
Michigan Reddit Page/canva.com
loading...

This post may have thrown a wrench into the whole thread, but it makes an excellent point.

97.9 WGRD logo
Get our free mobile app

The debate of where 'Up North' begins in Michigan will continue until the end of time. To see what I mean by that, click here.

👇BELOW: The 100 Snobbiest Cities in Michigan in 2025: Complete👇

The 100 Snobbiest Cities in Michigan in 2025: Complete Countdown

WARNING: The following countdown requires a sense of humor. I asked ChatGPT to use US Census data, including median household income, the percentage of college degree holders, median home value, the percentage of residents working in management, population density, and more, to determine the 100 Snobbiest Cities in Michigan. Here's the countdown to #1:

Gallery Credit: Scott Clow

More From 97.9 WGRD