Part 8: Cleared Sophocles' trial — Hokulani Observatory

Cleared Sophocles' trial — Hokulani Observatory opens 6 areas.

Where to go

1. Route 11

   Wild: Pangoro 100% · Lv 24-27, Ariados 13.3% · Lv 24-27, Gumshoos 13.3% · Lv 24-27, Ledian 13.3% · Lv 24-27 +7 more

2. Route 12

   Wild: Crabrawler 100% · Lv 27-30, Chansey 50% · Lv 26-29, Electabuzz 50% · Lv 26-29, Geodude (Alola) 40% · Lv 26-29 +3 more

3. Route 13

   Wild: Gyarados 100% · Lv 10-30, Magikarp 79% · Lv 10-30, Wishiwashi 20% · Lv 10-30, Bruxish 1% · Lv 10-30

4. Route 14

   Wild: Gyarados 100% · Lv 10-31, Magikarp 79% · Lv 10-31, Finneon 40% · Lv 28-31, Tentacool 40% · Lv 28-31 +9 more

5. Secluded Shore

   Wild: Gyarados 100% · Lv 10-30, Magikarp 79% · Lv 10-30, Finneon 40% · Lv 27-30, Tentacool 40% · Lv 27-30 +3 more

6. Tapu Village

   Wild: Gyarados 100% · Lv 10-31, Magikarp 79% · Lv 10-31, Castform 30.6% · Lv 28-31, Wishiwashi 30% · Lv 10-31 +11 more

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

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