Harmony is Diesel's favourite place!

Oshawa's BEST Off Leash Dog Park

Come by and play with new friends!

Walking trails, fields and watering holes galore!

Our park is a great place to cool off!

Visit the Park


COVID-19: Please stay safe!

– Keep two Great Danes lengths apart
– Stoop, scoop and bin the poop
– Leave only footprints
– Take only pictures and memories

Harmony Valley Dog Park is an off-leash park with 25+ acres of open fields, water features and walking trails where you and your dog have the chance to socialize with dogs and other owners. There is one fenced in area in the Harmony Dog Park.

Harmony Valley Dog Park Location:

Grandview St N (off Rathburn St.)
Oshawa, ON L1K 2E3

Would you like to remember your canine companion or park friend?

Memorial plaques are now available! The 5” x 3” bone shaped plaques are professionally designed, soft grey Corian tiles and will have your personalized message in green text. Messages may include up to 4 lines of text with a maximum of 40 characters including spaces and punctuation. The bones are mounted on the Memorial Bench in the big field at the off leash park.

Memorial benches and tree plantings are also available. For more information, please contact us.


Annual Memberships


ODAWG is a volunteer based community and we strive to provide park users with resources that are of interest to them. Membership funds are used to help provide the dog poop bags at the park as well as garbage pails, benches and we host educational seminars and dog friendly activities. New members are always welcome!

Purchase your annual membership via e-transfer to odawgtreasurer@gmail.ca.

Every little bit helps

Whether you are able to make a monetary donation or volunteer your time, every little bit helps! We graciously accept donations via e-transfer to odawgtreasurer@gmail.ca on this site.