Part 7: Beat the Elite Four and the Champion

Beat the Elite Four and the Champion opens 4 areas.

Where to go

1. Terminus Cave

   Wild: Graveler 95% · Lv 44-46, Ariados 80% · Lv 44-46, Durant 60% · Lv 23, Geodude 35% · Lv 23 +8 more

2. Sea Spirit’s Den

   Wild: Articuno Lv 70, Moltres Lv 70, Zapdos Lv 70

3. Unknown Dungeon

   Wild: Mewtwo Lv 70

4. Friend Safari

   Wild: Clefairy 50% · Lv 30, Druddigon 50% · Lv 30, Floette 50% · Lv 30, Sliggoo 50% · Lv 30 +57 more

Everything you can have caught by this checkpoint · Open the interactive guide

It also doesn't say when Kalos Berry Fields opens up, so it is in no part above; it has its own route page.