Science Saturdays

Visit the LIGO Science Education Center on the first Saturday of every month, from 10 AM to 4 PM, for Science Saturdays —FREE, drop-in public events featuring 40+ interactive exhibits and guided tours.

Guided Tours

• Tours run every 30–60 minutes

• Tours include the control room and, weather permitting, a view to one of the 4 km-long interferometer arms stretching into the pine forest

• Please arrive by 2:30 PM if you’d like to join a tour

• Tour schedules may vary during the summer

• Individuals and small groups are welcome 

  • ​Note: We do not take advance tour reservations for groups smaller than 20 people. Groups of 20 or more, please send an email the week prior to outreach@ligo-la.caltech.edu 

     For Driving Directions to LIGO click HERE

What to Expect During Your Visit

• Plan to spend about 1.5 hours at LIGO

• Dress for the weather and wear comfortable walking shoes

• No food is available on-site; the nearest dining options are 10–15 minutes away and limited

• Photography is welcome (please do not record or video staff without their permission)

• Science Saturdays are suitable for all ages

• LIGO facilities are wheelchair accessible, though the site tour includes a gentle slope

• No advance registration required—Science Saturdays are the only day each month LIGO is open to the public

Each Science Saturday features a special theme, reflected in the lobby exhibits and activities, highlighting the science and engineering behind gravitational-wave detection.

Questions are especially welcome during tours.

Upcoming Science Saturdays

• February 7, 2026: "Attraction" 
• March 7, 2026
• April 4, 2026