Part 6: Beat Wulfric — Snowbelle City Gym, badge 8

Beat Wulfric — Snowbelle City Gym, badge 8 opens 11 areas.

Where to go

1. Route 20

   Wild: Foongus 57.1% · Lv 25, Trevenant 38.1% · Lv 25, Gothorita 30% · Lv 48-50, Noctowl 30% · Lv 48-50 +4 more

2. Route 21

   Wild: Poliwag 100% · Lv 30, Lombre 66% · Lv 50-52, Basculin 60% · Lv 40, Poliwhirl 60% · Lv 50 +8 more

3. Route 22

   Wild: Magikarp 100% · Lv 15, Psyduck 95% · Lv 25-27, Goldeen 65% · Lv 25, Gyarados 60% · Lv 35 +13 more

4. Glittering Cave

   Wild: Woobat 85% · Lv 15-17, Dwebble 65% · Lv 15-17, Onix 35% · Lv 15-17, Machop 30% · Lv 15-17 +9 more

5. Pokémon Village

   Wild: Banette 100% · Lv 46-50, Poliwag 100% · Lv 30, Lombre 66% · Lv 48-50, Basculin 65% · Lv 40 +8 more

6. Victory Road

   Wild: Poliwag 100% · Lv 35, Graveler 95% · Lv 57-59, Fearow 77% · Lv 57-59, Lombre 66% · Lv 57-59 +15 more

7. Connecting Cave

   Wild: Whismur 60% · Lv 7, Zubat 35% · Lv 8, Meditite 30% · Lv 13-15, Axew 10% · Lv 13-15

8. Lost Hotel

   Wild: Rotom 100% · Lv 38, Electrode 20% · Lv 37-38, Klefki 20% · Lv 36-38, Litwick 20% · Lv 37-38 +2 more

9. Azure Bay

   Wild: Luvdisc 100% · Lv 15, Tentacool 84% · Lv 25-27, Dwebble 66% · Lv 23-25, Remoraid 65% · Lv 25 +12 more

10. Team Flare Secret HQ

    Wild: Xerneas Lv 50, Yveltal Lv 50

11. Kalos (Roaming)

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

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.