You've posted this twice, I've replied as have others to your other post. Please don't double post as it just causes confusion.
And it’s the Beacons or Brecon Beacons, never the Brecons, fires are frowned upon but with over 500 square miles of national park to choose from, you should be able to have your drunken wild camp somewhere.
It's a bit like Tannoy - it's not a tannoy, it's a speaker system.I've narrowed it down to somewhere in 500 square miles. :-)