Heritage, the No. 1 seed, beat Chattanooga Valley in their semifinal match after the Lady Eagles got past LaFayette in an earlier-round match.
Their opponent in the championship match was No. 2 seed Gordon Lee, who beat Rossville in their first match on Monday before taking down Lakeview in a semifinal match on Tuesday.
In the finals, Heritage won the opening set, 25-11, before holding off the Lady Trojans, 25-21, to win the title.