Haley Briggs scored 17 points and Megan Shark 15 to lead the visiting Panthers to the win.
Washougal (6-3) took command early by outscoring the Beavers 20-4 in the first quarter.
Briggs had six steals and Sharp made five. Mackenzie Pfiefer grabbed seven rebounds for the Panthers.
WASHOUGAL 59, TENINO 21
WASHOUGAL (6-3) — Crystal Chase 2, Kristin Graham 0, Alissa Lenczowski 2, Mackenzie Pfiefer 7, Haley Briggs 17, Megan Sharp 15, RaeAnn Allen 4, Jolynn Wenick 4, Sierra Carroll 0, Alyssa Blankenship 8. Totals 24-72 (2-7) 9-21 59.
TENINO — Vens 8, Cantrell 0, Ford 2, Bronson 0, Gubbe 0, Tibbetts 5, Richardson 0, Richards 2, Masters 4, Holmgren 0, Dowies 0. Totals not available.