
The Rock is a large pudding stone on the campus of Michigan State University that has been painted with messages by campus groups since the 1960s. The tradition of painting the rock began in 1953 when a resident of Ann Arbor graffitied a Michigan State University logo on the rock. To show their solidarity, some U-M students decided to paint over the logo, leading to the tradition of covering the rock with different paintings. The rock was placed in its current home on the corner of Washtenaw and Hill in the winter of 1932. Anyone can paint the rock, but tradition holds that it should only be painted at night and guarded for 24 hours prior.
| Characteristics | Values |
|---|---|
| Location | Corner of Washtenaw and Hill, Ann Arbor, Michigan |
| Type of Rock | Limestone boulder/pudding stone |
| Year Placed | 1932 |
| History | Placed as a monument for the bicentennial of George Washington's birth |
| Painting Tradition | Began in 1953 when a resident graffitied an MSU logo on the rock |
| Who Can Paint | Anyone, but preferably at night and after guarding it for 24 hours |
| Paint Used | Spray paint, industrial-grade paint |
| Paint Thickness | 1 to 5 inches |
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What You'll Learn

The history of the rock
The Rock is a large pudding stone on the campus of Michigan State University. It has been painted with messages by campus groups since the 1950s or 1960s, but its history goes back much further. The rock was unearthed in 1873 and installed on the campus by the class of the same year, who carved "Class '73" into its large flat face. In the early 20th century, it became known as the
In the 1960s and 1970s, the rock's purpose shifted as graffiti began to appear for protest and promotional purposes. The university's attempts to remove the paint were unsuccessful, and in the 1980s, the university recognised the tradition of painting the rock, moving it to a more suitable location for painting in 1985. Since then, the rock has been repainted regularly, with messages from individuals and campus organisations. While most messages are painted over nightly, some have remained for longer periods, such as tributes to notable events or individuals.
The tradition of painting the rock is said to have begun in 1953 when a resident of Ann Arbor graffitied a Michigan State University logo on the rock before a rivalry football game. U-M students then painted over the logo to show their solidarity with their university, leading to the tradition of covering the rock with different paintings significant to the Ann Arbor community. Today, the rock continues to be a site for free expression, with anyone allowed to paint it as long as they follow certain traditions, such as painting it at night and guarding it for 24 hours beforehand.
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How much paint is on the rock
The Rock, a large pudding stone on the campus of Michigan State University, has been a site for campus groups to paint messages since the 1960s. The tradition of painting The Rock began in 1953 when an Ann Arbor resident graffitied a Michigan State University logo on the boulder. In response, University of Michigan students decided to paint over the logo, sparking a tradition of covering the rock with different paintings.
The Rock is often repainted nightly, with groups using spray paint or buckets of paint and paintbrushes to cover the old coats. While the city has tried to keep the rock clean, their efforts have been unsuccessful due to the popularity of the activity.
In 2010, an author for the Michigan Daily used modern power tools to chip away at the layers of paint. They discovered that the depth of the paint varied across the rock, ranging from 1 to 5 inches before hitting the limestone. The paint was made up of hundreds of thin layers of different colours, resembling multicoloured tree rings.
Another attempt to measure the paint's depth was made in the 1980s by Ann Arbor native Brian Durrance, who chipped away the layers of paint over two days. While the exact depth is unclear, these attempts suggest that The Rock is covered in a significant amount of paint, reflecting the long-standing tradition and history of the campus community.
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The rock's importance to the community
The Rock is a large limestone boulder located on the corner of Washtenaw and Hill in Ann Arbor, Michigan. It was placed in its current location in 1932 as a monument to the bicentennial of George Washington's birth. Over the years, it has become a beloved tradition for community members to paint the rock, adding their own unique messages and designs.
The rock holds significant importance for the community, serving as a symbol of unity and expression. It brings together diverse campus groups, including fraternity pledges, social justice advocates, artists, and athletic teams, fostering a sense of camaraderie and shared purpose. The tradition is inclusive, with anyone being allowed to paint the rock, making it accessible to all who wish to leave their mark.
The rock has become a canvas for personal and political statements, memorials, and promotional messages. It is often repainted nightly, with new layers of paint covering the old, creating a physical representation of the community's evolving history and priorities. The layers of paint, which can be up to 5 inches thick in some places, serve as a visual testament to the rock's enduring significance.
Beyond its role as a creative outlet, the rock also holds sentimental value for many. In the early 20th century, it was known as "Engagement Rock" due to the numerous marriage proposals that took place there. More recently, it has been used to commemorate notable events, such as the September 11 attacks and tributes to individuals who have touched the community, like 8-year-old cancer victim Lacey "Princess Lacey" Holsworth.
The rock's importance extends beyond the physical act of painting. It has inspired other forms of artwork, such as jewellery made from the dried paint chips and abstract paintings depicting the rock's colourful layers. The rock has become an iconic symbol of the community, representing their values, traditions, and shared experiences. It stands as a testament to the power of expression and the enduring impact it can have on a community.
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The rules of painting the rock
The Rock is a large limestone boulder on the campus of the University of Michigan, which has been painted with messages by campus groups since the 1950s. The tradition of painting the rock began when a resident of Ann Arbor graffitied a Michigan State University logo on the rock, and U-M students decided to paint over it. The rock has since been repainted regularly, with messages from individuals and campus organizations.
- Anyone can paint it: There are no restrictions on who can paint the rock. While it's mostly used by campus groups, there's nothing stopping individuals from painting it too.
- Paint it at night: Painting the rock is traditionally done under the cover of night.
- Guard it for 24 hours: To claim the rock for painting, you must stand guard over it for 24 hours beforehand. This is to prevent others from painting over your work.
- Be considerate: While there are no strict rules about what you can paint, it's important to be respectful and considerate of others. Offensive graffiti is not tolerated.
- Clean up afterwards: Make sure to clean up any paint or trash that may get on the surrounding sidewalks.
- Be prepared: Have your paint and supplies ready before you start. You'll need enough paint to cover the previous layers, and possibly brushes or spray paint cans.
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The rock's previous lives
The Rock has had many lives and has been a canvas for political statements, memorials, personal messages, and even marriage proposals. In its early life, the Rock was a monument to George Washington, erected in 1932 to commemorate the bicentennial of his birth. It was a beloved find of Ann Arbor Parks Superintendent, Eli Gallup, who discovered the large limestone boulder in a county landfill and convinced the city to move it to its current location.
In the 1910s, the Rock became a site for engaged and married couples, earning it the nickname "Engagement Rock" in the 20th century. It was covered in ivy for decades, as seen in photographs from the 1890s to the 1960s. However, in the 1960s and 1970s, the Rock's purpose shifted as graffiti began to appear, containing various messages, including personal and political statements. The university tried to remove the paint in the late 1970s, but their efforts failed, and the tradition of painting the Rock continued.
The Rock's life took a new turn in 1953 when an Ann Arbor resident graffitied a Michigan State University logo on it before a rivalry football game. In response, University of Michigan students painted over the logo, sparking a tradition of covering the Rock with different paintings significant to the Ann Arbor community. Since then, the Rock has been a dynamic canvas for various campus groups, including frat pledges, social justice advocates, artists, and athletic teams.
The Rock has also served as a memorial for notable events, such as the September 11 attacks in 2001, when it was repainted with a large American flag. In 2014, it became a weeks-long tribute to 8-year-old cancer victim Lacey "Princess Lacey" Holsworth, who had befriended MSU basketball forward Adreian Payne during her treatment. More recently, following a mass shooting in February 2023 that took the lives of three MSU students, the Rock was painted with a powerful message: "How many more?"
The layers of paint on the Rock are a testament to its many lives and the impact it has had on the community. In 2010, someone used modern power tools to chip away at the layers, revealing the limestone beneath and providing a glimpse into the Rock's colourful history.
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Frequently asked questions
The rock was placed at its current location, on the corner of Washtenaw and Hill, in the winter of 1932. Ann Arbor Parks Superintendent, Eli Gallup, found the large limestone boulder in a county landfill and wanted to make it a monument for the bicentennial of George Washington's birth. The tradition of painting the rock began in 1953 when a resident of Ann Arbor graffitied a Michigan State University logo on the rock.
In 2010, someone used modern power tools to chip away at the layers of paint and discovered that depending on where they drilled, they could go 1 to 5 inches through paint before hitting the limestone.
There are no strict rules about what you can and cannot paint on the rock. However, it is recommended to guard the rock for 24 hours before painting and to paint under the cover of darkness.
You can use any kind of paint to decorate the rock. Some people use buckets of paint and paintbrushes, while others use spray paint.
The rock has been painted with various messages over the years, including personal and political statements, memorials, and promotions. For example, following the September 11 attacks in 2001, the rock was painted with a large American flag. In 2014, the rock was painted with a tribute to 8-year-old cancer victim Lacey "Princess Lacey" Holsworth.










































