The Queen made her fourth trip to the village of Aberfan, before greeting crowds in Ebbw Vale and at Glanusk Park.
The Queen and the Duke of Edinburgh will spend a second day in Wales as part of the Diamond Jubilee celebrations.
The Queen has begun her two day tour of Wales. Her Majesty attended a service of thanksgiving before meeting Wales' Grand Slam winning team
The Queen and the Duke of Edinburgh are set to arrive in Aberfan on their first engagement of the day.
Two men have been arrested following the Queen's visit to Wales.
One man was arrested after attempting to gain access to a section of road which had been closed off to the public, as part of a security operation, during the Queen's visit.
The man is currently being questioned by police.
South Wales Police also arrested a second man to prevent a breach of the peace ahead of Her Majesty's visit to Cyfartha Castle in Merthyr.
The Queen and the Duke of Edinburgh have visited Merthyr Tydfil this afternoon.
Here, a special display was performed by the Royal Party by a local cadet group.
Wales' Grand Slam winning rugby team have met the Queen today as she visits Wales as part of her Diamond Jubilee tour.
Wales Captain, Sam Warburton was unable to hide his delight at meeting Her Majesty and said it was an 'honour' to be part of such a special event.
The Queen and the Duke of Edinburgh have now arrived at Margam Park where they will meet members of the Grand Slam-winning Welsh rugby team.
This is the second stop on their tour of South Wales, which has been arranged, to mark the Queen's Diamond Jubilee.