This year’s annual picnic will be held at Tualatin Community Park, 8515 SW Tualatin Rd, Tualatin, OR. At this year’s annual picnic, we have reserved the north side of the main picnic shelter, which also has rest rooms, from 11:00 am to 3:00 pm. Electricity is provided, and alcohol is permitted. The shelter will accommodate about 75 people.
We can't get enough of exploring Downtown Portland Building Stone! If you missed our Spring tour or just want to see more interesting buildings, join us at 10:00 a.m. October 22nd for Ancient Walls 2 (North Tour). This field trip is open to public. Cost is $10.
Photos from our Latest Field Trip
Neogene Geology of the Eastern Columbia River Gorge
Most field trips require GSOC membership. Learn more about joining GSOC!
Dedicated to Pacific Northwest Geology since 1935
The Geological Society of the Oregon Country (GSOC) is a non-profit organization based in Portland, Oregon. The society is dedicated to the study of geology in the Pacific northwest and is open to persons with all levels of education and professional backgrounds.