Best Way Of Training Pokemon:

Equipment:
2 Strong pokemon(LV.50 LV.60)
Pokemon that knows rock smash
Pokemon that knows surf
Pokemon that knows fly
Exp. share
Pokemon that wants to be trained or evolved

First give the exp. share to the pokemon that you want to raise.Then find Gabby and Ty. First they are above mauvile rock smash the rock and go all the way up battle them with your strong pokemon then to the right of muavile surf over the water walk to the right battle them and then they will be in fortree fly to fortree and walk to the right of fortree battle them. If your pokemon is still not very strong or havent evolved keep doing it this way.

Hope it helps folks!