Linsdey Asplund continued her torried shooting pace, and Megan Lindsley scored 14 points to lead Prairie.
Asplund connected on three 3-pointers, giving her 11 from long range in the past three contests. She finished with 12 points.
Cori Woodward and Lindsley each had two 3-pointers. Woodward ended up with 11 points.
Prairie led 36-13 at the half.
Carly Holboke led Mountain View with 13 points.
Prairie clinched at least a share of the Class 3A Greater St. Helens League title and have secured the No. 1 seed to district.
PRAIRIE 68, MOUNTAIN VIEW 31
MOUNTAIN VIEW — Carly Holboke 13, Christina Lundy 2, Raina Shadle 2, Sarah Pongon 2, Emma DuChesne 3, Melissa Ljuca , Amica Cranston 5, Bailey Gaspar 2, Bailey Lindsley 2. Totals 12 (1) 6-8 31.