Four Great Fairs. One Amazing County.

There’s nothing quite like fair season in Northumberland County.

From thrilling midway rides and live entertainment to livestock shows, demolition derbies, tractor pulls, homecraft exhibits, and incredible local food, our county’s agricultural fairs have been bringing communities together for generations.

Whether you’re making it a family day trip, cheering on local competitors, enjoying live music, or simply looking for fresh fair food and small-town hospitality, each fair offers its own unique experience while celebrating the traditions that make Northumberland County special.

Follow the map above to explore all four fairs and start planning your next visit.

Campbellford Seymour Agricultural Fair

August 7–9, 2026

The first fair of the season kicks off in Campbellford with three days of agricultural competitions, midway rides, family entertainment, exhibits, live music, delicious fair food, and community celebrations in the heart of Trent Hills.

Learn more: www.campbellfordfair.ca

Warkworth Fall Fair

September 11–13, 2026

One of Ontario’s most celebrated rural traditions, the Warkworth Fall Fair offers livestock shows, horse events, homecraft competitions, agricultural displays, midway attractions, live entertainment, and activities for every age.

Learn more: www.warkworthfair.com

Port Hope Fair

September 17–20, 2026

Celebrating generations of agricultural excellence, the Port Hope Fair features exciting midway rides, demolition derby action, livestock competitions, entertainment, exhibits, local vendors, and plenty of family fun.

Learn more: www.porthopefair.com

Roseneath Fall Fair

October 2–4, 2026

The final fair of the season brings autumn to life with agricultural competitions, exhibits, entertainment, children’s activities, local vendors, delicious food, and one last opportunity to celebrate fair season in Northumberland County.

Learn more: www.roseneathfair.com

Listen Live From the Fair!

Throughout fair season, 93.3 myFM and 100.9 WOW FM will be broadcasting live from Northumberland County fairs.

We’ll be sharing the sights, sounds, and stories that make each fair one of the highlights of the summer and fall.

Proudly Supported By Our Sponsors

Hutchinson Lubes

TCO Agromart

Robin’s Nest Farmers Market

Allaire Althouse Real Estate Team

Pete’s Auto and Truck 

Stapley Towing

Caroline’s Flowers and Gifts