177th Seaforth Fall Fair 2026: A Huron County Tradition
Two days of 4-H shows, a LEGO contest, and Highway 21 live at the historic Roundhouse
Dates
Sep 18–19
Kid Zone
$10/child
Where
Seaforth, ON
Since
~1849
One of the oldest fall fairs in Ontario, the Seaforth Fall Fair is still held every year at the fairgrounds beside the town’s iconic 1902 Roundhouse, with Huron County’s Championship 4-H Show, homecraft exhibits, a LEGO display contest, and a Saturday night concert headlined by Highway 21.
🐄 Huron County 4-H Championship 🧱 LEGO display contest 🎸 Highway 21 in concert 👨‍👩‍👧 Kid Zone & bubble soccer
💡 New this year: zucchini races are back, bubble soccer joins the lineup, and the Community Centre hosts “Getting Active Locally” — free fitness classes and yoga sessions to try.
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✨ Why This Fair Is Worth the Trip
The Seaforth Fall Fair is one of the oldest in the province, and it’s still held on the same fairgrounds that grew up around the town’s Roundhouse, an iconic building constructed around 1902 that once served as the literal focal point of the fair. The Seaforth Agricultural Society has owned and maintained that building for more than 120 years, and it’s still part of the grounds every fair weekend — a rare bit of continuity most fairs this age can’t claim.
The programming mixes serious agricultural competition with genuinely fun additions each year. Huron County’s Championship 4-H Show returns to anchor Friday, judging dairy, beef, sheep, swine, and goat entries from across the county, while the homecraft exhibits and now third-annual LEGO display contest give non-farming visitors just as much to see. New for 2026: zucchini races are back, bubble soccer joins the entertainment lineup, and the Community Centre is running “Getting Active Locally” sessions where you can try a fitness class or yoga between fair activities.
Saturday night closes the fair with real concert-scale entertainment — Highway 21 headlining in the Agriplex with an opening set from Avie Graves — a bigger production than a lot of small-town fairs attempt, and a good reason to plan your visit around the evening rather than just the daytime activities.
📅 The 2026 Schedule
Friday centres on the 4-H competition and Kid Zone; Saturday is the full fair day, running from daytime shows into the evening concert.
Friday, September 18
9:00 am — Huron County’s Championship 4-H Show begins, concluding with a Sweepstake show
Friday evening — Kid Zone play area opens
Friday evening — Local talent performing on indoor and outdoor stages
Saturday, September 19
Daytime — Kid Zone play area open, homecraft judging, LEGO display contest, Parade, and Ambassador Competition
Daytime — Local talent on indoor and outdoor stages
12:00 pm to midnight — Beer Tent open
Saturday during the day — Food booth available
7:00 pm — Doors open for headline entertainment
8:00 pm — Highway 21 with opening performance by Avie Graves, in the Agriplex
🎟️ Admission & Fair Essentials
General gate admission for 2026 hadn’t been published on the official site at the time of writing. What is confirmed: the Kid Zone interactive play area costs $10 per child for an unlimited-play bracelet, open Friday evening and during the day Saturday, and tickets to the Saturday night Highway 21 concert are sold separately through Eventbrite rather than at the door.
Food is covered by an on-site booth Saturday during the day, and the Beer Tent runs a long window — noon to midnight Saturday — for anyone sticking around through the evening concert. Old favourites like the Penny Sale, Parade, and Ambassador Competition all return in 2026 alongside the newer LEGO display contest, now in its third year and one of the fair’s more popular draws.
The Seaforth Agricultural Society also runs a separate Craft Show and offers camp sites on the fairgrounds property — worth looking into if you’re coming from further afield and want to make a weekend of it.
📜 One of Ontario’s Oldest Fall Fairs
The Seaforth Agricultural Society describes its fair as one of the oldest in the province, having celebrated its 176th edition the fall before this one — which puts the 2026 fair at its 177th consecutive (or nearly consecutive) year, a run stretching back to the mid-1800s. Few Ontario fairs can claim that kind of unbroken history, and fewer still still hold their fair on effectively the same ground they started on.
That ground includes the Seaforth Roundhouse, built around 1902 as the literal centrepiece of the fairgrounds. Over the years, the Agricultural Society transferred the surrounding property to the municipality for an arena and community centre, but kept ownership of the Roundhouse itself and has maintained the building for more than 120 years — including a recent round of renovations covering a new cedar shake roof, a poured cement floor, and updated vinyl siding, funded in part by community donations.
That the Roundhouse is still standing, still owned by the same Agricultural Society, and still hosting the fair every September is a genuinely unusual thread of continuity — one the Society is actively working to preserve for future decades of fairs.
🚗 Getting There
The fair runs at the Seaforth Agriplex and Fairgrounds, 140 Duke Street, in Seaforth, part of the Municipality of Huron East. The historic Roundhouse and the community’s arena and camp sites all share the same property.
Parking: Specific fair-day parking details weren’t published at the time of writing — with the fairgrounds set back from downtown Seaforth on Duke Street, expect on-site parking to be the norm rather than street parking.
📍 Get Directions to the Fairgrounds
💡 A Few Things Worth Knowing Before You Go
🎫 Buy Highway 21 tickets ahead of time. The Saturday night concert is ticketed through Eventbrite, not at the fair gate — get tickets before you go if you want to guarantee a spot.
🎟️ One bracelet, unlimited Kid Zone play. The $10 Kid Zone bracelet covers unlimited play, so it’s worth it if the kids are going to be there for more than one activity.
🧱 Check out the LEGO display contest. It’s only in its third year but has already become one of the fair’s most talked-about attractions — worth a look even if you’re not entering.
🧘 Try a free fitness class. “Getting Active Locally” at the Community Centre is new this year and gives visitors a chance to try yoga or a fitness class between fair activities.
🏕️ Consider camping on-site. The fairgrounds offer camp sites if you’re travelling from further away and want to stay for the full weekend.
❓ Common Questions
When is the Seaforth Fall Fair in 2026?
The fair runs Friday, September 18 and Saturday, September 19, 2026, at the Seaforth Agriplex and Fairgrounds, 140 Duke Street, Seaforth, Ontario.
How much does it cost to get in?
General gate admission for 2026 wasn’t published at the time of writing. The Kid Zone play area is $10 per child for an unlimited-play bracelet, and the Saturday night Highway 21 concert is ticketed separately through Eventbrite.
Who is headlining Saturday night?
Highway 21 headlines in the Agriplex Saturday, September 19, with an opening performance by Avie Graves. Doors open at 7:00 pm and the show starts at 8:00 pm.
What’s new at the 2026 fair?
Zucchini races are back, bubble soccer is new this year, and the Community Centre is hosting “Getting Active Locally,” letting visitors try fitness classes and yoga.
Is there a parade and a 4-H show?
Yes. Huron County’s Championship 4-H Show runs Friday starting at 9:00 am, and the Parade returns as one of the fair’s traditional Saturday features, alongside the Ambassador Competition and Penny Sale.
Details may change — always confirm on the official Seaforth Agricultural Society website before heading out.

Location

Get DirectionsSeaforth Agriplex and Fairgrounds, 140 Duke Street, Seaforth, ON, N0K 1W0

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