Welcome to One Harmony
News
2025.04.01
New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.
Special Offers
Summer Bonus Point Promotion
Register to the promotion in the period from April 30th to July 11th and stay at any of the Okura Nikko Hotels in the period from May 14th to July 17th, receive double One Harmony points for your stay.
Click here for details
Okura Nikko Hotels- Early Bird Specials
Enjoy our early bird specials and stay with us at a special rate. Perfect for your next trip!
Click here for details
Contact Us
One Harmony Office
+81-3-6402-3388
Inquiry FormF. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)
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