were should i go to train to lvl 100

[Entoxic]

i want to get my pokemon to level 100 i have a
lvl 74 elpoleon
lvl 74 starapter
lvl 74 lucario
lvl 74 weavile
lvl 63 arcanine
and lvl 75 rosarade( just leveled up)
k were should i go to train  

[jarr189]

what i do is raise my team 5 levels battling the 3 trainers close together on route 225 and then go to the elite four and then go another 5 levels it works rather well  

[ForestCrystal3]

you should battle the elite four, your rival on the weekends, and train on Stark Mountian. I hope this helps! 3nodding