Visit the Project Lab

​​​Located at the Presidio Trust Headquarters Building, First Floor 103 Montgomery Street, on the Pre​sidio’s Main Post (Get Directions​)

Drop in w​eekdays, 10 am to 4 pm (closed on Federal Holidays)​ Free and open to all – no reservation is required ​

​The Presidio Tunnel Tops Project Lab is your place to learn more about “San Francisco’s Great Escape.” 

Check out the latest designs as they continue to evolve, watch a video, see a large site model, and share your ideas for what would make a great experience at the Tunnel Tops.

Guided tours of the project lab and the site are available regularly. Please check the events calendar​ for dates and times.

Free guided tours and discussions for community groups are also available upon request. Please contact us at​.