Akwesasne Thunderbirds, Cornwall Island Redmen and Massena Muskies played an inter-league schedule with the Quebec Senior Lacrosse League (QSLL).

Snake Island Muskies (formerly Massena) swept their opening round playoff series (20-2; 22-6; 17-13) to meet the Redmen in the finals.

The league grew to four teams with the addition of Caughnawaga Indians (previously competed in Circuit Québécois de Crosse) and St. Regis Braves.

With the Akwesasne and Caughnawaga both on hiatus, Snake Island Muskies (9-7) and Tyendinaga Wolfpack (0-6) played an inter-league schedule[6] against QSLL teams.

The TNSLL championship was contested in a one-game playoff on August 8 at Deseronto Community Recreation Centre, won by the Muskies 21-9.

Two teams (Caughnawaga Indians, St. Regis Braves)[7] returned while three-time champion Snake Island Muskies went on hiatus.