Layne Hartnell scored twice as the Scotties (2-0) gave visiting River View its first season-opening loss in program history at Kenny Wolford Park.
Hartnell scored her first goal during the 33rd minute of the first half and added another tally with 11:40 left in the second half. Kyrie Bumpus and Rachel Waite both added goals in the win.
Lauren Hartnell had six saves for Tri-Valley, and Heather Maxwell made 10 saves for River View.
Erika Massie had three goals as River View’s reserves won 5-0. Jenson Hocter and Courtney Rodriguez added a goal each.