2019 Ohlone Big Time Gathering and Powwow Rate This Event All are welcome at the 27th Annual Ohlone Big Time Gathering and Powwow on April 26-28, 2019 at the Tony Cerda Park in Pomona, California. The Ohlone Big Time Gathering is the Ohlone's annual powwow as California Indians had Gatherings instead of Powwows [read more]