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Eastbank Bike GeoTour

  • 701 Southwest 6th Avenue Portland, OR, 97204 (map)
Eastbank Bike GeoTour
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Join Us for Our First Annual Eastbank Bike GeoTour! 

With cooler weather forecast for Saturday, ride with us along the Eastbank from the Portland's youngest rocks to its oldest. We will dine after at the Milwaukie Station Food Carts and Beer Garden. No geologic knowledge required.

This is a 3-hour moderately-paced bike ride (9 miles) with a return by MAX. (A shorter 5 mile route, with return by MAX, is also available.)  We will be starting from "Peace Sign Park" at NE Oregon and Interstate (see below).

Please bring snacks and water. Refunds are available in the event of illness or emergency. 

Starting Point: NE Oregon & NE Lloyd/Interstate (45.528398, -122.666078)

10:00 a.m. Saturday, June 23

Follow Along on the Geological Map

Option #1: 9 Mile Ride & MAX

Bike 9.1 miles with return by MAX OR bike 18.2 miles round trip.
200 foot elevation gain.

Steel Bridge to Milwaukie Food Carts and MAX stop

Return by Orange/Yellow MAX Line

Option #2 (Shorter) 

Bike 5.1 miles with return by MAX OR bike 10.2 miles round trip.
120 foot elevation gain.

Steel Bridge to Holgate MAX Stop

Return by Orange/Yellow MAX Line

Read a (Pretty Technical) Overview of Portland Geology

Tour developed by Sheila Alfsen, Bill Burgel, Ella Carter, Paul Edison-Lahm, Laura O. Foster, Keith Jones, Larry Kotan, Antonella Mancini, Teresa Mayer and Jim Jarzabek, and Bo and Ellen Nonn.