At Caribou, the Wildcats pulled ahead in the end in a game that featured three ties and both teams leading twice.
Jordi Lagassie scored twice to pace Presque Isle (13-1) with Karlee Bernier and Chandler Guerette adding one each. Bernier also contributed an assist. Meredith Stewart made eight saves on 11 shots for Presque Isle.
Olivia Sleeper scored twice for the Vikings (8-5-1) and Sarah Doak once. Delaney Williams had two assists for Caribou. Morgan Outing made nine saves on 20 shots for Caribou.