Bull Run tours
Bull Run Watershed tours offer the unique chance to see firsthand how Portland's drinking water travels from forest to faucet. The majority of the day is in the Bull Run but starts with a short visit to the city's groundwater source, the Columbia South Shore Well Field.
Cycle the Well Field
A FREE adult bicycle tour of Portland’s groundwater drinking water source. Children 12 and older who are comfortable on their bicycles and accompanied by an adult are welcome. This event is held annually.
This year's event will happen on Saturday, May 31st, 2025. Registration will go live in April, 2025.
If you have any questions about this event please email waterbureaueducation@portlandoregon.gov.