NAOJ Mitaka Campus (free self-guided visit)

国立天文台 三鷹キャンパス（自由見学）

Tokyo, Mitaka/OsawaCool spots

Free, no booking, self-guided. At the guard station, fill in a form via a posted code (or sign the register) and get a visitor sticker. Audio guide on your own phone.

Address:

2-21-1 Osawa, Mitaka, Tokyo

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10:00-17:00 (last entry 16:30), closed New Year holidays

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Free

Details can change. Before you go, please check the official site for current hours and prices.