RiverFest 2018 happens this Saturday (9/8) at Columbia Park near the Lampson Pits. It's a celebration of the Columbia-Snake River system. There will be lots of local entertainment and food vendors. Activities for the whole family include face painting for the kids and salmon cannon. FREE SWAG BAG for the first 500 visitors! RiverFest 2018 happens from 11 a.m. to 3 p.m.