The Treeline
An urban trail and integral connector that will bring access to Ann Arbor’s river and park system through the heart of downtown along historic Allen Creek.
We are building a 2.75 mile greenway across multiple neighborhoods, downtown, and campus.
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Next Event: A2ZERO Green Fair
September 20, 2024
Downtown Ann Arbor
Stroll local exhibits set by up the Treeline and other organizations to learn innovative ways to live sustainably and take climate action.
Our city, our trail, our future.
A Game of Inches
Discover how a lifelong passion for football inspires the precise and strategic development of the Treeline urban trail.
Habitat and History
Explore the transformation of the 415 West Washington site from its pre-industrial, ecologically rich beginnings to its current potential as a key part of Ann Arbor's urban greenway.
Updates
Learn more about the Treeline Project, initiatives, and our team members.
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