The Spudders had to work an extra frame to capture the 1A district title.
After being up by eight points in the fourth quarter, Kalama put on the pressure and caught up.
Ridgefield missed two shot in its final possession and the game went into overtime.
Michael Potter led four Ridgefield players in double figures with 19 points. Sam Landerholm had 16, Max Ballantyne 14 and Michael Schwinof 12.
Ridgefield next plays in the regional tournament on Friday at W.F. West.
RIDGEFIELD 66, KALAMA 61, OT
RIDGEFIELD — Michael Potter 19, Sam Landerholm 16, Michael Schwinof 12, Brady Williams 0, Max Ballantyne 14, Marques Segundo 0, David Potter 2, AJ Olson 0, Kyle Morris 3, Josh Mason 0. Totals 15 (7) 15-19 66.
KALAMA — Josh Wall 13, Ethan Oomittuk 18, Tanner Vossen 0, Elijah Bannister 24, Jared Neiman 6. Totals 21 (1) 16-25 61.
Ridgefield 12 10 22 14 7–66
Kalama 12 14 13 19 3–61
