7 Harvest Fests Worth Visiting in Washington County

Autumn brings seasonal celebrations, crisp air, and local family fun to Washington County. From historic downtown plazas to sprawling countryside farms, the Tualatin Valley offers plenty of ways to enjoy the season. Here are 7 local harvest festivals worth visiting across Washington County this fall. Grab a cozy sweater and start planning your weekend lineup.

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FUN FACT: Washington County is in the heart of the region that grows over 99% of the entire United States hazelnut supply!

OrencoFest

2026 DATE: September 19

DAY: Saturday

TIME: 12pm–7pm

LOCATION: Jerry Willey Plaza at Orenco Station
943 NE Orenco Station Loop, Hillsboro, OR 97124

THINGS TO DO:

• 🎸 Live music
• 🥨 Food & Vendor booths
• 🎈 Face painting & balloon twisting
• 🤠 Line dancing lessons
• 🍺 Beer stein holding contest

Hillsboro Harvest Fest

2026 SEASON: October 7 – October 31 (multi locations with varying dates and times)

LOCATION: Reed’s Crossing Wednesday Market

DATE: October 7

TIME: 4:30pm-8pm

LOCATION: The Streets at Tanasbourne Thursday Market

DATE: October 22

TIME: 4pm-8pm

LOCATION: Orenco Station Sunday Market

DATE: October 25

TIME: 10am-2pm

LOCATION: Downtown Hillsboro Saturday Market

DATE: October 31

TIME: 9am-1pm

THINGS TO DO:

• 🥨 Food & Vendor booths
• 🎃 Pumpkin games
• 🪎 Scavenger hunt
• ☕ Hot cocoa

Lee Farms Fall Festival

2026 SEASON: September 19 – October 31

DAYS: Daily

TIME: Monday–Saturday: 9am–6pm | Sunday: 9am–5pm

LOCATION: Lee Farms
21975 SW 65th Ave, Tualatin, OR 97062

THINGS TO DO:

• 🍩 Bakery, Market, & Snack Barn
• 🌽 Corn maze
• 🎃 Pumpkin patch
• 🚜 Hay rides
• 🐐 Farm animals

Fall at Hoffman Farms

2026 SEASON: Late September – October 31

DAYS:  Tuesday through Sunday

TIME: 9am–5pm

LOCATION: Hoffman Farms
22242 SW Scholls Ferry Rd, Beaverton, OR 97007

THINGS TO DO:

• 🎸 Live music
• 🍩 Food & Drinks
• 🌽 Corn maze
• 🎃 Pumpkin patch
• 🚂 Train ride

Plumper Farms Fall Festival

2026 SEASON: September 19 – November 1

DAY: Wednesday through Sunday

TIME: 9am–5:30pm

LOCATION: Plumper Farms
11435 NW Old Cornelius Pass Rd, Portland, OR 97231

THINGS TO DO:

• 🍎 Farm store
• 🌽 Corn maze
• 🎃 Pumpkin patch
• 🚜 Hay rides
• 🐐 Farm animals
• 🐴 Pony rides

Roloff Farms Pumpkin Festival

2026 SEASON: October 2 – October 31

DAYS: Fridays, Saturdays, and Sundays

TIME: 10am–5pm

LOCATION: Roloff Farms
23985 NW Grossen Dr, Hillsboro, OR 97124

THINGS TO DO:

• 🍎 Country store
• 🍩 Food & Drinks
• 🎃 Pumpkin patch
• 🐐 Farm animals
• 🚂 Train ride
• 🚜 Wagon tour

Helvetia Market Oktoberfest

2026 DATE: October 10

DAY: Saturday

TIME: 10am–3pm

LOCATION: Helvetia Farm Market
23137 NW West Union Rd, Hillsboro, OR 97124

THINGS TO DO:

• 🥨 Food & Vendor booths
• 🎸 Live music
• 🍎 Farm store