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- [Notice] September Event and Campaign Schedule
[Notice] September Event and Campaign Schedule
- 08/27 更新 | イベント その他イベント

We will inform you of the schedule of events and campaigns at MITSUI OUTLET PARK IRUMA!
Please check the details of the September events and campaigns.
We look forward to your visit.
Please check the details of the September events and campaigns.
We look forward to your visit.
- Date and time
- September 1st (Mon) - September 30th (Tue) 2025
- Location
- MITSUI OUTLET PARK IRUMA
Latest Events and Campaigns
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- 04/01 更新 | イベント その他イベント
- [Dog event related] Recommended pet information
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- 04/01 更新 | イベント その他イベント
- [Walking Spot] Information on IRUMA no Oka Park
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- 08/27 更新 | イベント その他イベント
- [Notice] September Event and Campaign Schedule
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- 09/05 更新 | イベント その他イベント
- [In-house attraction] Mini steam locomotive operation
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- 09/11 更新 | イベント その他イベント
- [Notice] Announcement of "Working Vehicle Gathering" to be held on Saturday, September 27th
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- 10/07 更新 | イベント その他イベント
- [One-day Bus trip] Introducing Bus tour that stops at MITSUI OUTLET PARK IRUMA!
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- 03/16 更新 | イベント その他イベント
- [Event] "CANDY・A・GO・GO" is now open♪
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- 05/21 更新 | イベント その他イベント
- Information on the dedicated page for foreign tourists
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- 09/09 更新 | イベント その他イベント
- 32nd &EARTH Clothing Support Project: Bring smiles to the world with your clothes
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- 09/03 更新 | キャンペーン その他キャンペーン
- [LINE Coupon] [Weekdays only from September 3rd (Wednesday) to September 26th (Friday)] LINE SEASON COUPON
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- Updated 09/06 | Events Sports & Outdoors
- [Sports] IRUMA GAMES
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- Updated 09/06 | Events Sports & Outdoors
- [Sports] Seibu Railway and Saitama Seibu Lions hold spectacular performances on the same day! SPECIAL DAN CE performance show
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- 04/01 更新 | キャンペーン その他キャンペーン
- Get a great deal on a trip to MITSUI OUTLET PARK with Times Car Share!
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- Updated 03/17 | Campaign Gift
- If you answer the survey, 100 people will be selected by lottery each month to win 1,000 points!
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- Updated 08/04 | Campaign Gift
- Enjoy summer leisure activities at great value! 2,000 points giveaway campaign
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- Updated 09/01 | Campaign Gift
- Sign up for the Mitsui Shopping Park Card (Saison) and receive a gift worth up to 4,000 yen!
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- Updated 09/05 | Campaign Points
- Eternal Points can be exchanged for Mitsui Shopping Park Points from 200 points! There is also a double chance exclusive to Premium Medal members!
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- 09/19 更新 | キャンペーン プレゼント
- 【開催中!】三井ショッピングパークメンバーズプログラム プレゼントキャンペーン
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- 09/16 更新 | キャンペーン ポイント
- 【プレミアム・ゴールドメダル会員様限定】特別還元キャンペーン開催!
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- 04/01 更新 | キャンペーン その他キャンペーン
- Exclusive to Mitsui Car Shares members! Receive a 200 yen shopping voucher, special offer coupons, and more!