Part 5: Beat Olympia — Anistar City Gym, badge 7

Beat Olympia — Anistar City Gym, badge 7 opens 3 areas.

Where to go

1. Couriway Town

   Wild: Poliwag 100% · Lv 25, Lombre 66% · Lv 44-46, Basculin 65% · Lv 35, Poliwhirl 65% · Lv 45 +1 more

2. Route 18

   Wild: Graveler 95% · Lv 44-46, Durant 90% · Lv 44-46, Geodude 57.1% · Lv 23, Gurdurr 30% · Lv 44-46 +6 more

3. Route 19

   Wild: Poliwag 100% · Lv 25, Barboach 65% · Lv 35, Poliwhirl 60% · Lv 45, Weepinbell 60% · Lv 24 +12 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.