Jaden Jantzer had two 3-pointers in the third quarter, helping the Panthers pull away from the Spudders.
Washougal led 34-27 at halftime and built on the lead with an 18-11 advantage in the third quarter.
Nate Adams finished with a game-high 18 points for the victors, while Jantzer finished with 12 and Mike McElroy added 11.
David Potter led Ridgefield with 16 points, the only Spudder in double-figures.
WASHOUGAL 62, RIDGEFIELD 44
WASHOUGAL — Mike McElroy 11, Josh Banks 0, Regan Townsend 0, Cole Crosby 0, Sean Guthrie 0, Austin Tran 8, Nate Adams 18, Yoro Bah 2, Patrick Jones 2, Jaden Jantzer 12, Aaron Deister 9. Totals 24 (5) 9-14 62.