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Downtown PDX Building Stone Geology Tour (rescheduling TBA )

  • Mark Hatfield Federal Courthouse 1000 SW 3rd Ave Portland, OR, 97204 United States (map)
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Ancient Walls South Tour: A Geological Walking Tour of Downtown Portland Building Stone

This event will be rescheduled.

Come see billion-year-old building stones and the fossils hidden under our feet. Join us for a two-hour outdoor walking tour of downtown Portland’s geological mysteries and oddities. Tour is a one-mile loop on accessible sidewalks and in public buildings. Open to public.

You will enjoying using your MAGNIFYING GLASS/HAND LENS if you can bring one. Good walking shoes, sunscreen, water and snacks are advisable. Bathroom access is limited downtown during the weekend. Children under 12 must be supervised. 

Refunds are available in the event of illness or emergency.

We will meet at the main entrance of the Hatfield Federal Courthouse (1000 SW 3rd).