Gracie Glavin led River with 10 factors, taking pictures 8 for 8 from the foul line.
Bella Standish scored 27 factors and Jamison Philip added 20 factors for Ellensburg, which has gained every of its 25 video games this 12 months by double-digits.
ELLENSBURG 78, COLUMBIA RIVER 28
COLUMBIA RIVER (20-4) — Olivia Carroll 5, Marley Myers 8, Peyton Dukes 1, Camryn Drake 0, Charmayne Castro 0, Raegan Dukes 0, Mikayla King 2, Kaya Mirtich 2, Avielle Desjarlais 0, Gracie Glavin 10. Totals 7 (1) 13-19 28
ELLENSBURG (25-0) — Ellie Markus 12, Molly Moffat 5, Ella Armstrong 3, Jamison Philip 20, Layne Rogel 9, Grace Boast 0, Sida Boast 2, Bella Standish 27, June Nemrow 0, Sylvia Gruber 0, Riley Wilcox 0. Totals 26 (4) 22-28 78.
Columbia River 9 9 3 7 —28
Ellensburg 22 15 23 18—78