It Happened at Michigan: How The Rock became a local landmark

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The Rock, a massive boulder at Washtenaw Avenue and Hill Street, gets a fresh coat of paint and new cause almost every week — congratulating graduates, commemorating a holiday, celebrating U-M milestones, making political statements. The landmark was originally conceived, however, as a monument to George Washington.

The Rock photographed in 1938 before it was painted.
The Rock sits at Washtenaw and Hill, circa 1938, several years after its installation in 1932 and two decades before the painting began. (Photo courtesy of the Bentley Historical Library)

In the early 1930s, Eli Gallup, then the Ann Arbor parks superintendent and a reported rock aficionado, found the large limestone rock in a landfill near Pontiac Trail. In 1932, to mark Washington’s 200th birthday, Gallup had a cement pedestal created to hold the rock, then enlisted the help of a Detroit Edison truck to move the boulder to its current site. In 1939, a marker was added that designated the corner “George Washington Park.”

The Rock photographed in mAy 2025
The Rock, as it was painted on May 12, 2025, is still a popular, eye-catching Ann Arbor landmark. (Photo by Steve Culver, The University Record)

According to a piece that ran in the Ann Arbor Observer in 1991, the rock painting likely began sometime in the 1950s, when students from Michigan State University scrawled the letters “M.S.U.” on The Rock as a taunt before that weekend’s rivalry football game. U-M students promptly retaliated, covering the green and white with maize and blue paint — and igniting a tradition.

Over the years, the parks department has attempted to curb the painting, but their efforts have been in vain. Today, some estimate the paint is at least 5 to 6 inches thick, making it difficult for the top layer to fully dry and leaving the rock slightly tacky to the touch. The memorial marker is reportedly still there as well, though it too is concealed in layers (and layers) of paint.

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Comments

  1. Donna Mrozek
    on June 25, 2025 at 4:44 pm

    Does anyone know how large the original rock/memorial was? I graduated in ‘69 and it was already hugely painted!

    • David Moorhead
      on July 2, 2025 at 10:22 pm

      It was enormous!

      Check out this awesome Youtube video that shows the rock being excavated, transported to campus, and installed in its current location in 1932. You can really see the scale of it.

      https://www.youtube.com/watch?v=WDIXcKDT-Ec&t=489s

  2. Conrad Macina
    on July 2, 2025 at 4:48 pm

    I graduated in 1969. At one point, some group painted the rock to say, “Candy is dandy / But SEX won’t rot your teeth.” Nobody overpainted that for some time. I guess people complained, because the City of Ann Arbor stepped in and painted the rock what appeared to be the same yellow paint used for road stripes.

  3. J Scott Timmer
    on July 2, 2025 at 9:17 pm

    I lived at the Lambda Chi house at 1601 Washtenaw from 1974 through 1977. The rock was painted almost weekly, including a couple of times by me and my fraternity brothers. It was set on fire a number of times (not by us) and the paint was burned off. So the paint on it today might be several inches thick but it’s likely not paint from the 1970’s.

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