Part 2: Boulder Badge — Mt. Moon and Cerulean City

Routes 3, 4, 24 and 25 and Mt. Moon, up to Misty. Challenge Mode's Misty tops out at Level 22.

Boulder Badge — Mt. Moon and Cerulean City opens 14 areas. There are 84 trainers standing in them. The fights at this checkpoint are Rival (Bulbasaur), Rival (Charmander), Rival (Squirtle), and 1 more.

Where to go

1. Cerulean City

   Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +3 more

   Trainers: Team Rocket Grunt Lv 17, ★ Rival (Bulbasaur) Lv 18, ★ Rival (Charmander) Lv 18, ★ Rival (Squirtle) Lv 18, Jynx Master Avery Lv 60, Poliwrath Master Yuen Lv 60

   Pick up: TM03 Water Pulse, TM28 Dig, Fame Checker, Rare Candy (hidden)

2. Mt. Moon 1F

   Wild: Zubat 69% · Lv 7-10, Geodude 25% · Lv 7-9, Paras 5% · Lv 8, Clefairy 1% · Lv 8

   Trainers: Bug Catcher Robby Lv 10, Hiker Marcos Lv 10, Youngster Josh Lv 10, Bug Catcher Kent Lv 11, Lass Miriam Lv 11, Super Nerd Jovan Lv 11 +2 more

   Pick up: TM09 Bullet Seed, Escape Rope, Moon Stone, Paralyze Heal, Potion, Rare Candy

3. Mt. Moon B1F

   Wild: Paras 100% · Lv 5-10

   Trainers: Clefable Master Alexandra Lv 60

   Pick up: Big Mushroom (hidden), Tiny Mushroom (hidden)

4. Mt. Moon B2F

   Wild: Zubat 49% · Lv 8-11, Geodude 30% · Lv 9-10, Paras 15% · Lv 10-12, Clefairy 6% · Lv 10-12

   Trainers: Team Rocket Grunt (2) Lv 11, Team Rocket Grunt (3) Lv 11, Super Nerd Miguel Lv 12, Team Rocket Grunt (1) Lv 13, Team Rocket Grunt (4) Lv 13, Kabuto Master Barnaby Lv 60 +1 more

   Pick up: TM46 Thief, Antidote, Dome Fossil, Ether (hidden), Helix Fossil, Moon Stone (hidden), Revive, Star Piece

5. Route 24

   Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +11 more

   Trainers: Bug Catcher Cale Lv 10, Lass Ali Lv 12, Camper Shane Lv 14, Youngster Timmy Lv 14, Team Rocket Grunt Lv 15, Lass Reli Lv 16 +8 more

   Pick up: TM45 Attract, Nugget, Pecha Berry (hidden)

   Move tutor: Rollout

6. Route 25

   Wild: Magikarp 100% · Lv 5, Psyduck 100% · Lv 20-40, Slowpoke 100% · Lv 20-40, Poliwag 60% · Lv 5-15 +11 more

   Trainers: Hiker Nob Lv 13, Lass Haley Lv 13, Camper Flint Lv 14, Youngster Chad Lv 14, Hiker Franklin Lv 15, Picnicker Kelsey Lv 15 +11 more

   Pick up: TM43 Secret Power, Elixir (hidden), Ether (hidden), Oran Berry (hidden), Pomeg Berry (hidden)

7. Route 3

   Wild: Spearow 35% · Lv 6-8, Pidgey 30% · Lv 6-7, Nidoran♀ 14% · Lv 6-7, Nidoran♂ 14% · Lv 6-7 +2 more

   Trainers: Bug Catcher Greg Lv 9, Lass Janice Lv 9, Bug Catcher Colton Lv 10, Lass Sally Lv 10, Bug Catcher James Lv 11, Youngster Ben Lv 11 +11 more

   Pick up: Oran Berry (hidden)

8. Route 4

   Wild: Magikarp 100% · Lv 5, Tentacool 100% · Lv 5-40, Horsea 84% · Lv 15-35, Krabby 84% · Lv 15-35 +8 more

   Trainers: Lass Crissy Lv 31, Bulbasaur Master Rena Lv 60, Ekans Master Herbert Lv 60, Golduck Master Camille Lv 60, Nidoran♂ Master Alvin Lv 60

   Pick up: TM05 Roar, Great Ball (hidden), Hondew Berry (hidden), Persim Berry (hidden)

   Move tutor: Mega Punch, Mega Kick

9. Route 4 Pokémon Center 1F

   Wild: Magikarp Lv 5

   Trainers: Magikarp Master Easton Lv 60

10. Cerulean City Gym

    Trainers: Swimmer♂ Luis Lv 16, Picnicker Diana Lv 19, ★ Misty Lv 21, ★ Misty Lv 22

11. Cerulean City Bike Shop

    Trainers: Doduo Master Barney Lv 60

12. Cerulean City House 2

    Trainers: Raticate Master Denis Lv 60

13. Cerulean City House 3

    Trainers: Poliwhirl Master Kimberly Lv 60

14. Cerulean City House 5

    Trainers: Dragonite Master Grayson Lv 60

★ Rival (Bulbasaur) — Cerulean City

4 Pokémon · level cap Lv 18 (every cap) · Rival (Bulbasaur)’s own page

	Pokémon	Moves
	Pidgeotto Lv 17 · Keen Eye	Tackle Sand Attack Gust Quick Attack
	Abra Lv 16 · Synchronize	Teleport
	Rattata Lv 15 · Run Away	Tackle Tail Whip Quick Attack
	Bulbasaur Lv 18 · Overgrow	Sleep Powder Poison Powder Vine Whip Leech Seed

★ Rival (Charmander) — Cerulean City

4 Pokémon · level cap Lv 18 (every cap) · Rival (Charmander)’s own page

	Pokémon	Moves
	Pidgeotto Lv 17 · Keen Eye	Tackle Sand Attack Gust Quick Attack
	Abra Lv 16 · Synchronize	Teleport
	Rattata Lv 15 · Run Away	Tackle Tail Whip Quick Attack
	Charmander Lv 18 · Blaze	Metal Claw Ember Growl Scratch

★ Rival (Squirtle) — Cerulean City

4 Pokémon · level cap Lv 18 (every cap) · Rival (Squirtle)’s own page

	Pokémon	Moves
	Pidgeotto Lv 17 · Keen Eye	Tackle Sand Attack Gust Quick Attack
	Abra Lv 16 · Synchronize	Teleport
	Rattata Lv 15 · Run Away	Tackle Tail Whip Quick Attack
	Squirtle Lv 18 · Torrent	Tackle Tail Whip Withdraw Water Gun

Also fought around here

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