Downtown Underground Culvert Tour (Creek Week 2026)
When: Thursday, September 24, 2026 at 4:00 PM PT
Where: Prince Gateway Park, 171 Santa Rosa Ave., Santa Rosa, CA
Did you know there is a creek flowing beneath your feet when you’re near Santa Rosa City Hall? Join the City of Santa Rosa for a twilight tour of the huge underground culvert and fish ladder where Santa Rosa Creek runs under Downtown Santa Rosa. This event is thrilling and fascinating in equal measures and traditionally fills up fast, but this year, we will be hosting the event as an open house to accommodate more people! You can arrive any time between 4 p.m., when the open house begins, and 6