For the first time in the club's history all three Aberglasslyn Ants teams will be competing in grand finals on the same day.
The Ants Ladies League Tag and B-grade won their preliminary finals yesterday and will join the A-grade women's tackle team who had already booked their spot.
The Thornton Beresfield Bears have also advance to the grand final with a 22-10 win over Northern Lakes.
It has set up a much anticipated grand final against minor premiers Dora Creek who defeated Fingal Bay 34-12 in their preliminary final.
Mitchell Simington, Jayden Hocking, Tylar Carter and Kingsley Jennings all scored tries and Kyle Handford kicked two goals for the Bears.
The Ants Ladies League Tag team are chasing an amazing fourth minor-major premiership double after a 36-4 win against Stroud Raiders in Saturday's preliminary final.
Caitlin Shoulders scored a double and Alyssa Shoulders, Jess Cassidy, Stacey Palmer, Jorja Southwell and Shae Ross all crossed for one. Ash Harvey landed four of seven conversions.
The Ants will meet University of Newcastle after the Seahorses defeated Fingal Bay 14-10 in the other preliminary final.
Mick Akers scored a hat-trick and Jeremy Fredericks got a double as the Ants ran out 42-22 winners in a high scoring men's preliminary final against Dudley Magpies.
Chris Walters and Nathan Robertson also crossed for four pointers. Fredericks kicked six from six goals and Akers kicked one.
The Ants will now meet Waratah Mayfield Cheetahs in the grand final.
Dungog defeated Mallabula 14-4 to advanced to the B-grade Ladies League Tag grand final next Saturday.
Flynn Haggarty and Emily Foster scored tries and there were three goals kicked.
The Warriors meet minor premiers Shortland in the grand final.