Upcoming outdoor events and group hikes

Coastal Cleanup Day at Crissy Field East Beach on Sept 19 – family-friendly, 50th anniversary of Coastal Act. World Dog Surfing Championships (July 22) and SF Marathon (July 26) have passed. Numerous group hikes, bike rides, nature walks through August/September (Reinhardt Redwood, Henry Cowell, Montini Preserve, etc.). Check specific dates and closures.