Partially closed
Hendy Woods SP is partially closed.
Why this statusToxic Algal mats have been detected in Navarro River at Hendy Woods State Park Day use and the Philo Greenwood Bridge. The CA Waterboard advises park visitors and dogs to not swim or drink where algal mats are present. Please check the CA Waterboard webpage for current reports of toxic algal mats: https://mywaterquality.ca.gov/habs/resources/reports-map/
Last checked Wed, 14 Oct 2026 13:00:58 GMT
How we read this status
We derive Hendy Woods SP's status from the park system's public alerts, refreshed hourly — this is our reading, not an official determination. As of the last check: Toxic Algal mats have been detected in Navarro River at Hendy Woods State Park Day use and the Philo Greenwood Bridge. The CA Waterboard… Full method: how we check park status.