Our impact since 2018:

3000+

native plants and trees planted

10

acres of green space restored

8,000+

volunteers engaged

300,335

pounds of garbage removed

Join us to explore, learn about, protect and restore Toronto’s Don Valley!

Dirty Little Secret Trail Race

Registration starts now!

Run or Volunteer at our annual trail race, Saturday November 2!!

Sign Up or email us to Volunteer

Halloween at the Container!

Join the last Saturday at the Container event: Halloween Crafts & Pumpkin Carving on Oct 26!

More Info & Sign up 

Stewardship Program

Every Wednesday we meet at our stewardship site in Sun Valley to remove invasives, plant native species, and do everything we can to return this land to a thriving diverse habitat.

More Info

Beginners Mountain Biking

Learn to mountain bike in the Don Valley! Our beginners program starts again on May 18th and runs every Saturday at 10am throughout the summer.

Sign Up Now

We protect and restore Toronto’s beautiful Don Valley.

The Don Valley is a wonderful part of Toronto’s ravine system, providing green space, natural habitat, and outdoor recreation in the core of the city. But the Don is under constant pressure from litter, pollution, invasive species, urban encroachment, and land development.

Our mission is to make sure everyone knows: Don’t Mess with the Don!

Our Organization

Find out about our members, our mission, and our results.

A volunteer removes a discarded shopping cart from the Don River

Take Action

Ready to take the next step? You can become a contributor to DMWTD, or participate yourself.

Our Events

Check out our past events on this map. Click the icons to see descriptions and pictures from each event!