Part 1: Just started — no badges

Just started — no badges opens 26 areas. There are 176 trainers standing in them. The fights at this checkpoint are Rival Silver, Executive Ariana, Executive Archer, and 3 more.

Where to go

1. New Bark Town

   Wild: Tentacool 90% · Lv 10-25, Magikarp 85% · Lv 10, Chinchou 40% · Lv 40, Shellder 30% · Lv 40 +2 more

2. Route 29

   Wild: Shinx 40.8% · Lv 2-3, Minun 20.4% · Lv 3, Plusle 20.4% · Lv 2-3, Poochyena 20.4% · Lv 3 +14 more

3. Cherrygrove City

   Wild: Tentacool 90% · Lv 10-25, Magikarp 85% · Lv 10, Krabby 60% · Lv 40, Corsola 30% · Lv 40 +3 more

   Trainers: Passerby Boy Lv 5, Passerby Boy (rematch) Lv 5, Passerby Boy (rematch) Lv 5

4. Route 30

   Wild: Poliwag 90% · Lv 10-25, Magikarp 85% · Lv 10, Grubbin 25% · Lv 2-4, Scatterbug 25% · Lv 3-4 +20 more

   Trainers: Youngster Joey Lv 4, Youngster Mikey Lv 4, Bug Catcher Don Lv 3, Youngster Joey (rematch) Lv 34, Youngster Joey (rematch) Lv 40, Youngster Joey (rematch) Lv 54

5. Route 31

   Wild: Poliwag 90% · Lv 10-25, Magikarp 85% · Lv 10, Buizel 40% · Lv 3-4, Applin 24% · Lv 4-5 +16 more

   Trainers: Bug Catcher Wade Lv 3, Bug Catcher Wade (rematch) Lv 40, Bug Catcher Wade (rematch) Lv 29, Bug Catcher Wade (rematch) Lv 52

6. Violet City

   Wild: Poliwag 90% · Lv 10-25, Magikarp 85% · Lv 10, Poliwhirl 10% · Lv 15-25, Whiscash Lv 40

7. Sprout Tower

   Wild: Meditite 29% · Lv 3-6, Litwick 25% · Lv 3, Bellsprout 20% · Lv 4, Chatot 20% · Lv 3-4 +15 more

   Trainers: Sage Chow Lv 3, Sage Nico Lv 3, Sage Edmond Lv 3, Sage Jin Lv 6, Sage Troy Lv 7, Sage Neal Lv 6 +1 more

8. Route 32

   Wild: Skrelp 85% · Lv 10, Tentacool 70% · Lv 40, Magikarp 40% · Lv 20, Quagsire 30% · Lv 15-25 +22 more

   Trainers: Fisherman Justin Lv 15, Camper Roland Lv 9, Picnicker Liz Lv 8, Youngster Albert Lv 8, Youngster Gordon Lv 10, Fisherman Ralph Lv 10 +8 more

9. Ruins of Alph

   Wild: Geodude 100% · Lv 3-14, Unown 100% · Lv 5, Natu 90% · Lv 18-24, Magikarp 85% · Lv 10 +23 more

   Trainers: Psychic Nathan Lv 26

10. Union Cave

    Wild: Magikarp 85% · Lv 10, Goldeen 70% · Lv 40, Krabby 60% · Lv 40, Tentacool 60% · Lv 10-20 +34 more

    Trainers: Poké Maniac Larry Lv 11, Hiker Russel Lv 8, Poké Maniac Andrew Lv 24, Poké Maniac Calvin Lv 26, Hiker Phillip Lv 25, Hiker Leonard Lv 25 +6 more

11. Route 33

    Wild: Shinx 40% · Lv 6-7, Minun 20% · Lv 6, Plusle 20% · Lv 6-7, Rockruff 20% · Lv 7 +14 more

    Trainers: Hiker Anthony Lv 11, Hiker Anthony (rematch) Lv 33, Hiker Anthony (rematch) Lv 40, Hiker Anthony (rematch) Lv 55

12. Slowpoke Well

    Wild: Slowpoke 100% · Lv 5-25, Magikarp 85% · Lv 10, Zubat 80% · Lv 19-23, Goldeen 70% · Lv 40 +16 more

    Trainers: Team Rocket Grunt Grunt Lv 9, Team Rocket Grunt Grunt Lv 11, Team Rocket Grunt Grunt (rematch) Lv 9, ★ Executive Proton Lv 12, Team Rocket Grunt Grunt (rematch) Lv 32

13. Ilex Forest

    Wild: Psyduck 90% · Lv 5-20, Magikarp 85% · Lv 10, Poliwag 80% · Lv 40, Budew 20.2% · Lv 5-6 +20 more

14. Route 34

    Wild: Tentacool 90% · Lv 10-25, Frillish 85% · Lv 10, Krabby 60% · Lv 40, Magikarp 40% · Lv 20 +37 more

    Trainers: Policeman Keith Lv 17, Youngster Samuel Lv 10, Youngster Ian Lv 12, Picnicker Gina Lv 12, Camper Todd Lv 14, Ace Trainer Kate Lv 28 +12 more

15. Route 35

    Wild: Psyduck 90% · Lv 10-25, Feebas 85% · Lv 10, Poliwag 80% · Lv 40, Magikarp 40% · Lv 20 +19 more

    Trainers: Juggler Irwin Lv 14, Bird Keeper Bryan Lv 14, Camper Ivan Lv 14, Camper Elliot Lv 15, Picnicker Brooke Lv 16, Picnicker Kim Lv 15 +12 more

16. National Park

    Wild: Caterpie 100% · Lv 10-14, Shinx 40% · Lv 10-12, Deino 20% · Lv 10, Gible 20% · Lv 10 +21 more

    Trainers: School Kid Jack Lv 15, Poké Fan William Lv 16, Poké Fan Beverly Lv 16, Lass Krise Lv 17, School Kid Jack (rematch) Lv 29, School Kid Jack (rematch) Lv 38 +7 more

17. Route 36

    Wild: Shinx 40% · Lv 12-13, Minun 21% · Lv 13-15, Plusle 21% · Lv 12-13, Eevee 20% · Lv 12 +8 more

    Trainers: School Kid Alan Lv 17, Psychic Mark Lv 16, School Kid Alan (rematch) Lv 32, School Kid Alan (rematch) Lv 36, School Kid Alan (rematch) Lv 54

18. Route 46

    Wild: Shinx 60% · Lv 2-3, Honedge 25% · Lv 2, Helioptile 20% · Lv 3, Minun 20% · Lv 2 +15 more

    Trainers: Camper Ted Lv 17, Picnicker Erin Lv 17, Hiker Bailey Lv 13, Picnicker Erin (rematch) Lv 41, Picnicker Erin (rematch) Lv 48, Picnicker Erin (rematch) Lv 53

19. Dark Cave

    Wild: Magikarp 100% · Lv 2-20, Dunsparce 90% · Lv 4-8, Goldeen 70% · Lv 40, Geodude 30% · Lv 23 +22 more

20. Route 26

    Wild: Tentacool 90% · Lv 25-30, Magikarp 85% · Lv 10, Chinchou 40% · Lv 40, Doduo 40% · Lv 28-30 +12 more

    Trainers: Ace Trainer Jake Lv 35, Ace Trainer Joyce Lv 36, Ace Trainer Gaven Lv 32, Ace Trainer Jamie Lv 36, Psychic Vernon Lv 36, Fisherman Scott Lv 34 +6 more

21. Route 27

    Wild: Tentacool 90% · Lv 15-20, Magikarp 85% · Lv 10, Doduo 50% · Lv 28-30, Quagsire 50% · Lv 28-30 +12 more

    Trainers: Ace Trainer Blake Lv 33, Ace Trainer Brian Lv 35, Ace Trainer Reena Lv 36, Ace Trainer Megan Lv 32, Psychic Eli Lv 34, Bird Keeper Jose (rematch) Lv 40 +3 more

22. Tohjo Falls

    Wild: Magikarp 85% · Lv 10, Goldeen 70% · Lv 40, Raticate 30% · Lv 22, Slowpoke 30% · Lv 20 +8 more

    Trainers: Rocket Boss Giovanni Lv 46

23. Azalea Town

    Trainers: ★ Rival Silver Lv 18, ★ Rival Silver Lv 5, ★ Rival Silver Lv 5, ★ Rival Silver Lv 5, ★ Rival Silver Lv 18, ★ Rival Silver Lv 18

24. Goldenrod City

    Trainers: Burglar Duncan Lv 25, Team Rocket Grunt Grunt (rematch) Lv 25, Team Rocket Grunt Grunt (rematch) Lv 27, Team Rocket Grunt Grunt (rematch) Lv 24, Team Rocket Grunt Grunt (rematch) Lv 26, Team Rocket Grunt Grunt (rematch) Lv 25 +6 more

Also open from here

2 more areas the same checkpoint opens, each with its own page.

★ Rival Silver — Azalea Town

3 Pokémon · level cap Lv 18 (every cap) · Rival Silver’s own page

	Pokémon	Ability & item	Moves	Base stats
	Gastly Lv 14 GhostPoison	Ability Levitate	The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Gastly knows by Lv 14 in HeartGold Generations: Confuse Ray Hypnosis Mean Look Spite	HP30Attack35Defense30Sp. Atk100Sp. Def35Speed80Total310
	Zubat Lv 16 PoisonFlying	Ability Inner Focus	The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Zubat knows by Lv 16 in HeartGold Generations: Absorb Supersonic Astonish Wing Attack	HP40Attack45Defense35Sp. Atk30Sp. Def40Speed55Total245
	Bayleef Lv 18 Grass	Ability Overgrow	The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Bayleef knows by Lv 18 in HeartGold Generations: Razor Leaf Tackle Synthesis Mega Drain	HP60Attack62Defense80Sp. Atk63Sp. Def80Speed60Total405

★ Executive Ariana — Radio Tower

3 Pokémon · level cap Lv 32 (every cap) · Executive Ariana’s own page

	Pokémon	Ability & item	Moves	Base stats
	Arbok Lv 32 Poison	Ability Intimidate	Wrap Poison Sting Crunch Glare	HP60Attack95Defense69Sp. Atk65Sp. Def79Speed80Total448
	Vileplume Lv 32 GrassPoison	Ability Chlorophyll	Mega Drain Sweet Scent Sleep Powder Acid	HP75Attack80Defense85Sp. Atk110Sp. Def90Speed50Total490
	Murkrow Lv 32 DarkFlying	Ability Super Luck	Wing Attack Pursuit Astonish Night Shade	HP60Attack85Defense42Sp. Atk85Sp. Def42Speed91Total405

★ Executive Archer — Radio Tower

3 Pokémon · level cap Lv 38 (every cap) · Executive Archer’s own page

	Pokémon	Ability & item	Moves	Base stats
	Houndour Lv 35 DarkFire	Ability Early Bird	Fire Fang Roar Bite Feint Attack	HP45Attack60Defense30Sp. Atk80Sp. Def50Speed65Total330
	Koffing Lv 35 Poison	Ability Levitate	Tackle Sludge Smokescreen Haze	HP40Attack65Defense95Sp. Atk60Sp. Def45Speed35Total340
	Houndoom Lv 38 DarkFire	Ability Early Bird	Fire Fang Smog Bite Feint Attack	HP75Attack90Defense50Sp. Atk110Sp. Def80Speed95Total500

Also fought around here

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

This game's documentation doesn't say where 91 of its 732 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.