Tries from winger Andrew Conway, hooker Tom Parsons, flanker Ed Taite, prop Conor Walsh, winger Liam McHugh and full-back Colum Rowden saw 'Rock to victory on Sunday, with centre Brendan Macken kicking three converions.
Captain and out-half Brian Kingston lifts Blackrock's 44th Junior Cup with his mother Alison.
Gonzaga back row Ryan Kenny tackles Blackrock prop Conor Walsh at Donnybrook.
Blackrock full-back Colum Rowden goes on the attack.
Blackrock back row Jordi Murphy takes on the Gonzaga defence.
Blackrock winger Andrew Conway tries to get around Gonzaga's David Layden.
Blackrock centre Karl Curran punches the air with delight after the final whistle.
The victorious Blackrock team celebrate with the trophy in the stand at Donnybrook.
The Blackrock celebrations continue. The team were coached by Karl Macken and current Clontarf scrum half Daragh Geraghty, a former pupil of the school, helped out at training this season.
**All photos by Cathal Noonan of Inpho Photography**