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 will visit South Wales next week, it has been announced.
They will spend two days in Pembrokeshire, Vale of Glamorgan and Caerphilly county on 29 and 30 April.
The couple will visit Prince's Gate Spring Water, in Narberth, Picton Castle, Haverfordwest, and Royal Dockyard Chapel, in Pembroke Dock.
On Wednesday they will visit Ystrad Mynach and Llantwit Major.
An 85-year-old woman has received a letter from Buckingham Palace after publishing a book of 94 poems.
Doreen Atwell from Cwmbran used to write poems on scraps of wallpaper more than 30 years ago, because she couldn't afford writing paper.
One of her poems was written about the Queen's Silver Jubilee in 1977.
With the help of her daughter, Doreen published the book this year and sent copies to the Queen and Princes William and Harry after also writing a poem about their mother, Diana.
She has since received a letter from Buckingham Palace on behalf of the Queen to thank her and to say that her book was 'greatly appreciated'.
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.