The Burn Road girls beat Glenfinn in today's decider 4-18 to 1-11 in Convoy.
County forward Geraldine Mc Laughlin was the star of the game for Termon as she contributed a total of 4-10.
Karen Guthrie was top scorer for Glenfin with 1-8.
Termon will now represent the county in the Ulster Championship.
Early in the day Carndonagh beat Buncrana 4-16 to 3-06 to win the junior title.
Termon Manager Francie Friel gave his reaction to Tom Comack after the game..