Glamorgan Wanderers Youth and Merhtyr Youth will meet in the Webb Ellis final after successfully winning their respecitve semi finals.
At Caerphilly it was a very close affair where Wanderers scraped home 16-21 against Bridgend Athletic Youth.
Bridgend Athletic established an early 10-3 lead with a try by flanker Evans and a conversion and penalty from scrum half Davies.
Glamorgan Wanderers kept in the tie with two penalties from outside half Bird before Davies extended the Bridgend Athletic tally with another penalty.
A try in the last moments of the first half from wing Mortimer pulled the Wanderers back into the tie.
At half time Bridgend Athletic led narrowly by 13-11 points.
In the second half Bridgend Athletic extended their lead with another Davies penalty. Glamorgan Wanderers upped their game and through their big and well organised pack exerted pressure on the Bridgend Athletic line.
After withstanding that pressure for some time Bridgend Athletic conceded a penalty try after a driving maul from the now dominant Wanderers pack. With about 10 minutes to go Wanderers took the lead for the first time in the match. They held on to win a hard fough clash.
At Abercynon it was a less tense battle as Merthyr gained a 18-0 victory.
Merthry converted early pressure into points that led to them eventually running out comfortable winners. Merthyr scored two tries, a conversion and a penalty with no reply from Beddau Youth.
It is planned to play the Final on Saturday 1st May at a venue to be determined.
Despite drawing with Ireland in the opening round of the RBS 6 Nations, Wales defence coach Shaun Edwards believes the championship 'is still in our hands' as he prepares his side to face Scotland at Principality Stadium tomorrow.
Meet the members of the WRU's inaugural Youth Board - after an online selection process which saw a host of high calibre candidates submit video applications the WRU has made its first 15 appointments.The board is made up of individuals aged between 16 and 21, and will meet for the first time at Principality Stadium on Monday 15th February.
The Wales Women's team headed to Dare Valley Country Park on a team bonding exercise as the entire squad got together for the very first time in preparation for this season's Six Nations championship which kicks off on Saturday with a clash against defending champions Ireland, in Donnybrook.
Wales Head Coach Warren Gatland discusses his team selection for the opening round of the RBS 6 Nations where he leads his side against Ireland, on Sunday. As WRU TV's Luke Brodley discovers, Gatland is fully aware of the challenges the defending champions pose