In pokemon emerald, where is a good place to train Aron?

Question

I just caught my aron and it's level 12, I don't want to train in that cave because of all the makuhita's.

Answer 1

The route before the house of Mr.Briney you can train against the pokemon there since none of the wild pokemon can affect Aron that much.

Comments

The route west of Petalburg (might have the name wrong) City, right?

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yes thats the one