The walking tour outlined here consists of three trails. Each trail is designed to show the diversity of trees on Purdue's campus. As you visit our trails you will notice that each tree is identified by a small wooden post and a QR code to give smartphone users additional educational information.

The Blue Tree Trail leads you to trees around the northwest part of campus, which includes the Visitor's Center, Armstrong Hall of Engineering, Elliot Hall of Music, and Beering Hall of Liberal Arts and Education.
The Gold Tree Trail leads you to trees around the northeast part of campus, which includes the Electrical Engineering Building, Potter Engineering Center, Grissom Hall, Stewart Center, and the Purdue Memorial Union.


The Green Tree Trail leads you to trees around the south part of campus, which includes the Lilly Hall of Life Sciences, Pfendler Hall of Agriculture, Agricultural Administration Building, Horticulture Building, and Nelson Hall of Food Science.