Experience the Magic of Mushrooms at Kichijoji Mushroom Harvest Festival 2026!

As autumn approaches, Atre Kichijoji is set to enchant visitors with its "Kichijoji Mushroom Harvest Festival" from September 18 to October 8, 2026. This delightful event by Atre Co., Ltd., operated under the guidance of Hiroyuki Takahashi, promises a range of activities celebrating the beloved mushroom, a quintessential symbol of the fall season. Given that the lingering summer heat still embraces the air, this festival provides a refreshing escape into a mushroom-themed wonderland.

Mushroom-Themed Attractions Await You

The festival offers an immersive experience with diverse content centered around mushrooms, aimed at evoking the feel of an early autumn atmosphere. Shoppers can explore limited-edition mushroom products across various shops that promise to captivate your senses with the abundant flavors of autumn.

To elevate the fun, a stamp rally will allow guests to collect stamps while exploring the venue, earning digital coupons along the way. Participants can enjoy hands-on workshops designed to engage families and provide a rich learning environment about seasonal ingredients.

Meet the Adorable Kichinokko-z

During this festive period, Atre Kichijoji introduces its original mushroom-themed character, “Kichinokko-z”. Visitors will find a photo spot featuring this charming character at the Central Court on the second floor, providing a cool indoor setting for capturing delightful memories. Alongside, attendees can receive unique “Kichinokko-z” fans as part of the event, enhancing the joyful experience even more.

Key Event Details

Event Duration: September 18 (Friday) to October 8 (Thursday) 2026
Location: Central Court, 2nd Floor of Atre Kichijoji
Character Unveiling: Don’t miss the chance to take photos with the life-sized visuals of Kichinokko-z!

Stamp Rally and Digital Coupons

The Kichijoji Mushroom Harvest Festival features a fun and interactive stamp rally where participants can collect stamps from designated spots across the mall. The first 2,000 people who gather three stamps will receive a digital coupon worth 300 yen for purchases of 1,500 yen or more at Atre Kichijoji. Collect four stamps, and you'll also snag an exclusive “Kichinokko-z wallpaper” as a bonus!

Stamp Collection Locations:

- Yuragi Square (East Building B1)
- Hakata Tempura Yamaya (Main Building B1)
- Hanabi Square (Main Building 1F)
- Central Court (Main Building 2F)

Mushroom-Themed Product Showcase

Atre Kichijoji will host a significant number of shops offering exclusive mushroom-inspired products and recommendations. You can explore a tantalizing selection ranging from food to lifestyle goods and fashion, ensuring the allure of fall is beautifully captured.

Family-Friendly Mushroom Activities

1. Mushroom and Grape Workshop
Dive into the fall flavors with our fun-filled workshop designed for families! Attendees will learn about various mushroom types and their features through engaging quizzes, as well as taste several grape varieties, experiencing their distinct flavors and aromas. At the end of the session, participants can create their unique autumn flavor sets with their favorite mushrooms and grapes to take home! Exciting prizes await those who correctly answer all the quiz questions!

Workshop Hosting Store: Kyushuya (1F, 5th Avenue)
Date: September 27 (Sunday)
Times: Four sessions at 10:30, 11:45, 13:30, and 14:45 (30 minutes each)
Location: Yuragi Square (East Building B1)
Capacity: 6 people per session (children under 6 must be accompanied by an adult)
Cost: 1,620 yen (including tax)
Contact: Kyushuya Atre Kichijoji (TEL: 042-227-1579)

2. Mushroom Harvest Experience
Join the exciting "Mushroom Harvest Experience" and pick fresh mushrooms with your own hands! This unique activity allows everyone—from kids to adults—to connect with the essence of the season right in the heart of the city. Create lasting memories with family and friends while tasting the delicious flavors of the season.

Date: October 4 (Sunday)
Location: Yuragi Square (East Building B1)
Capacity: 10 people per session
Participation: Pre-registration required
Cost: Free (certain conditions apply)

For detailed information regarding the event and safety of the mushrooms served, check the official Atre website for updates.

Facility Overview

Facility Name: Atre Kichijoji
Location:

- Main Building: 1-1-24 Kichijoji Minamimachi, Musashino City, Tokyo
- East Building: 2-1-3 Kichijoji Minamimachi, Musashino City, Tokyo

Operating Hours: 10:00 AM – 9:00 PM (some shop hours may vary)
Structure: Steel frame, reinforced concrete
Floors: Two above-ground floors plus two basements
Total Floor Area: Approximately 31,500 square meters
Store Area: Approximately 12,000 square meters
Number of Stores: 199 stores (as of September 14, 2026)

About Atre Co., Ltd.

Company Name: Atre Co., Ltd.
Location: 4-1-18 Ebisu, Shibuya, Tokyo
Established: April 2, 1990
Capital: 1.63 billion yen
CEO: Hiroyuki Takahashi
Business Type: Management and operation of station buildings
Operated Facilities: Atre Ebisu, Atre Shinagawa, Atre Kichijoji, Atre Ueno, and more.

Get ready for an unforgettable experience at the Kichijoji Mushroom Harvest Festival! Don’t miss the freshest flavors and family fun awaiting you this autumn!