Bring your bike and your friends for a FREE tour of Portland’s Columbia South Shore Well Field! Experts from the Portland Water Bureau and the Columbia Slough Watershed Council will lead this 16-mile trip on easy terrain. Learn about how groundwater provides flexibility and reliability to the City’s water supply and explain how we can all protect this important resource. Helmets required; light refreshments provided; recommended for ages 12+. Meet at Aloft Portland Airport at Cascade Station. Pre-registration required.