Alyssa Amann of West Valley shot an 83 for a two-day total of 164 to win the District 7 2A tournament at Liberty Lake Golf Course on Thursday.
Her Eagles also took home team district honors.
Lauren Greeny of Pullman finished second at 177 and Kate Ljubisic of Cheney took third at 179.
Also qualifying for state were Karly Bean of Pullman (192), Charity Yount of East Valley (193), Alyson Leonov of West Valley (194) and Drea Domebo of Clarkston (198).
Thomas Baycroft of Cheney shot 78 for a two-day total of 161 to earn the boys title, edging Brady Everett of Clarkston and Dane Bednar of Pullman, who both finished at 163.
Other qualifiers were Mike Iacobelli of Clarkston (167), Nate Koohns of Cheney (178) and Terry Byrne of Pullman (182).
Clarkston was the boys team district champion.