no at the Pokemon league after you've beaten the 8 gym leaders
elite 4
you will go to Battle Frontier
On your way 2 Sunnyshore city, you'll encounter 1 of the elite 4. after u beat him/her they will be on their way 2 the Battle Frontier
there is no battle frontier in Pokemon pearl,but there is a battle tower. you can go there after you beat the elite 4
Beat trainer Red, or do Battle Frontier.
in the battle frontier you can only go there once you have defeated the elite 4. soree! =-)
It is at the battle frontier after you beat the eliete 4.
when you beat elite 4, steven will call you after that, go to lilycove city go in a place there will be ship talk to a lady you will go in the ship to get of the he will say go to room 2 sleep in the bed then you go to the battle frontier
When battle in the Battle Frontier (you can come there after you beated the elite 4 and the champion) you will get a massage sometimes after a battle if you want too save the battle in the VS recorder.
You can try to complete the national pokedex or if you mean by beating the elite 4 you can try to beat the battle frontier
U gotta defeat the elite 4 first. Then this Scott guy will cal u on your pokenav and he'll ask u to go on a ferry which takes u to the BATTLE FRONTIER and then u will be able to find the battle tower.
Beat the Elite 4, after which construction on the ferry will be completed and you'll be able to go to the Battle Tower (Ruby and Sapphire)/Battle Frontier (Emerald).