Dewey Trail

Dewey Decimal Trail

Explore the Dewey Decimal Trail, an outdoor learning experience that introduces the ten main categories of the Dewey Decimal System through colorful guideposts and engaging visuals. Located outside Main Library, the trail offers a fun way for visitors of all ages to discover how library collections are organized while enjoying a walk around the grounds.

Plan Your Visit

The Dewey Decimal Trail is located outside Main Library, with parking available near the building entrance.

Main Library
4001 N. 23rd St.
McAllen, TX 78504

How it Works

Follow the trail markers around the exterior of Main Library. Each stop introduces one Dewey Decimal category with bold visuals, fun facts, and examples of what visitors can find inside the library collection. The trail is a simple way to learn the system, enjoy the outdoors, and connect the walk back to what is waiting on the shelves.

Marty on the Trail

Marty the Library Cat is hidden along the Dewey Decimal Trail. Keep an eye out as you walk. He may appear in different spots throughout the guideposts, making the trail a fun little scavenger hunt for kids, families, and Marty fans.

Explore the Categories

As you follow the Dewey Decimal Trail, you’ll spot colorful guideposts that represent each major section of the Dewey Decimal System:

000s
General Knowledge

500s
Natural Sciences & Mathematics

100s
Philosophy & Psychology

600s
Technology & Applied Sciences

200s
Religion

700s
Arts

300s
Social Sciences

800s
Literature & Rhetoric

400s
Languages

900s
History, Biography, & Geography

Each guidepost includes bold visuals, fun facts, and a peek into what you can find in that part of the library.

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