About Us
Visualize the invisible world with a giant microscope
Experience the world's most advanced technology
You can tour SPring-8 (Large Synchrotron Radiation Facility) and SACLA (X-ray Free Electron Laser Facility).
About Tours
- Group Size
- In principle, groups of 15 or more people
- Application Period
- From 3 months up to 10 days before the desired tour date
- Available Days
-
Weekdays, excluding the following:
・Golden Week
• Obon holidays
• RIKEN Foundation Day (4th Monday of October)
• Year-end and New Year holidays - Available Hours
- 9:30 AM – 3:30 PM
- Duration
- Approximately 90 minutes
- Tour Fee
- Free
A guide will accompany you inside the facility.
• Overview briefing on SPring-8 and SACLA
• Viewing of the facility introduction video
• Site Tour
Important Notes
• Visitors under the influence of alcohol are not permitted to join the tour.
• Smoking is prohibited on the premises.
•Eating and drinking are prohibited by law in certain areas of the tour route.
•Pets are not allowed on the premises.
•Please refrain from participating if you are experiencing a fever, the flu, or other symptoms of illness.
•We accept no responsibility for any accidents, injuries, or damage to/soiling of clothing or personal belongings caused by carelessness within the facility.
•The tour may be suspended if these rules are not observed.
※Please ensure the group representative makes the application and provides the following information
1. Preferred tour date:
2. Number of visitors:
3. Group name:
4. Representative's name, address, phone number, and email address
5. Transportation:
6. Requests, etc.:
Site Tour / Commemorative Photo
May 2026
Apr.2026
Mar.2026
Feb.2026
Jan.2026
Dec.2025
Nov.2025
Oct.2025
Sep.2025
Aug.2025
Jul. 2025
Jun. 2025
May 2025
Apr.2025
Mar.2025
Feb.2025
Jan.2025
Information dissemination facility
Optopia
At the Harima Science Garden City PR Center Optopia,
Exhibits include models and panels related to SPring-8 and SACLA.
• Hours: 10:30–17:00
* Last admission at 16:30
• Closed: Every Monday; December 29–January 3
• Admission: Free
Aioi Information Lounge
This is an information facility with a waiting lounge, etc., attached to the tourist information center in front of the JR Aioi Station South Exit, providing various information while you spend your waiting time comfortably until your train, bus, or pickup car arrives.
• Hours: 9:00–19:00
• Closed days: Open year-round




























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