Holli Jo Chose scored all eight of her points in the first quarter to get the Chieftains rolling to a 3-0 start to their season.
Chose led River with seven rebounds, and Teaghan Cowles had 10 points.
COLUMBIA RIVER 50, RIDGEFIELD 23
COLUMBIA RIVER (3-0) — Ellie Furth 1, Amara Moore 7, Marion Lilly 5, Kate Kraft 3, Teaghan Cowles 10, Holli Jo Chose 8, Gabrielle Collins 4, Katie Kolbe 2, Megan Bloom 7, Emma Fisk 2. Totals 21 (5) 3-4 50.
RIDGEFIELD — Bailey Hooghkirk 6, Sydney Hooghkirk 0, Aliesha Bail 6, Hayley Hughes 0, Hannah Farley 3, Macie Wells 0, Bailey Smithline 0, Abbie Smithline 2, Taylor Okhowye 2, Jocelyn Knowles-Washington 4. Totals 10 (3) 0-2 23.
C. River 16 6 19 9—50
Ridgefield 6 5 3 9—23