Humboldt Plan It GreenHumboldt Plan It Green hosts a yearly conference on Building Green Communities each spring at the Arcata Community Center.
Tour of the Unknown CoastAnnual north coast bike tour from Ferndale to the Mattole Valley and back, benefiting HCAR, Humboldt 4-H programs and Big Brothers/Big Sisters.
Humboldt Juggling FestivalDemos, workshops and performances of juggling and other related circus skills.