In the North, Caernarfon ran in nine tries in their 59-0 home win over Llandudno to make it business as usual.
Caernarfon won the Division 1 North title by a clear 20 points in 2010/11, losing only one of their 18 games.
Newly promoted Bala notched a notable home win with a 20-17 defeat of Ruthin, outscoring them three tries to one, while Bro Ffestiniog marked their first competitive game as a full member of the WRU with a 23-3 home triumph over Llangefni.
Steve Lay, Tom James and Aaron Roberts grabbed the home tries, while all the points for the visitors came from Iwan Davies with a try, conversion and two penalties. The game was held up for 10 minutes in the second half when visiting hooker Iwan Evans susptained a suspected broken ankle.
Nant Conwy were another club with something to celebrate as they beat Mold 24-3 shortly after officially opening their new clubhouse. The home side were 14-0 ahead at half-time and added a third try after the break to complete a comprehensive victory.
There were no points in the first half at Pwllheli where Bethesda went ahead through a Mathew Parry penalty early in the second half. But the home side's response came through their powerful pack and a pushover try and conversion on the hour earned them the points.
In Division 2, Colwyn Bay picked up a bonus point in their 30-9 home win over Newtown, while Rhyl ran in five tries in their 36-6 triumph at Denbigh.
Nearly 40 players were involved in the first Wales Under 18 training session of the season. WRU National Performance Manager Gethin Watts is excited at the potential shown by the group and expects the Regional Under 18 Championship to hone their skills even further.