What is the highest level a Pokemon can get?

Cynthea the master's highest Pokemon league level is;

FINAL BATTLEChampion Cynthia$13200

SpiritombGHO / DRKLv 61

GastrodonWTR / GRDLv 60

MiloticWTRLv 63

GarchompDRG / GRDLv 66

LucarioFTG / STLLv 63

RoseradeGRS / PSNLv 60

these all all hard so come fully prepared with high leved pokemon,lots hyper potions and loads of revives so you have a full combo to defeat Pokemon league and continue your journey to other exciting places! If you choose to battle them again Bertha (groungd type) has a Ryperior (evolution of Rhyhorn-Rhydon-Rhyperior) level 71.