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Downtown PDX GeoTour (North Tour)

  • Pioneer Square (across from Pioneer Courthouse) 701 Southwest 6th Avenue Portland, OR, 97204 United States (map)

Ancient Walls North Tour: A Geological Walking Tour of Downtown Building Stone (1 Mile Loop)

Downtown PDX North Tour

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. 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.

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We will meet at the 6th Avenue side of Pioneer Courthouse Square, across from the Pioneer Courthouse entrance. (Note: this is not the Pioneer Mall side.)