Route 4 FireRed & LeafGreen · Route
Route 4 sits on both sides of Mt. Moon: the west end has a Pokémon Center and the east end leads to Cerulean City. In the story you walk it once before and after the cave. It also has a pond, a Magikarp salesman and one tough trainer.
- Wild Pokémon
- 12
- Items
- 4
- Trainers
- 1
- Needs
- Surf
Connects to: Cerulean City · Mt. Moon · Route 3
Route 4 on the Kanto map
Gift and special Pokémon
Magikarp Lv. 5 · Gift · Pokémon CenterWild Pokémon
| Pokémon | Type | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
 Rattata | Normal | 8–12 | 35% | 35% |
 Spearow | Normal | 8–12 | 35% | 35% |
 Ekans | Poison | 6–12 | 25% | – |
 Sandshrew | Ground | 6–12 | – | 25% |
 Mankey | Fighting | 10–12 | 5% | 5% |
| Pokémon | Type | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
 Tentacool | WaterPoison | 5–40 | 100% | 100% |
| Rod | Pokémon | Lv. | FireRed | LeafGreen |
|---|---|---|---|---|
| Old Rod | Magikarp | 5 | 100% | 100% |
| Good Rod |  Krabby | 5–15 | 20% | 60% |
 Horsea | 5–15 | 60% | 20% | |
| Magikarp | 5–15 | 20% | 20% | |
| Super Rod | Krabby | 15–35 | – | 84% |
| Horsea | 15–35 | 84% | – | |
 Gyarados | 15–25 | 15% | 15% | |
 Psyduck | 25–35 | 1% | – | |
 Slowpoke | 25–35 | – | 1% |
Chances are the game’s encounter slots for each version (grass 20/20/10/10/10/10/5/5/4/4/1/1, surfing and Rock Smash 60/30/5/4/1, Old Rod 70/30, Good Rod 60/20/20, Super Rod 40/40/15/4/1). A dash means the Pokémon does not appear in that version here. Version exclusives · Where to find every Pokémon.
Trainers
| Trainer | Pokémon | Prize |
|---|---|---|
 LassCrissy |  Paras 31Paras 31 Parasect 31 | ₽496 |
Prize money is four times the level of the trainer’s last Pokémon times the trainer class’s base rate (doubled in double battles). Use the VS Seeker to rematch trainers.
Items
| Item | How |
|---|---|
| TM05 Roar | Item ball |
| Great Ball | Hidden |
| Persim Berry | Hidden |
| Razz Berry | Hidden |
Hidden items sparkle with the Itemfinder.
Tips
- The Pokémon Center salesman sells Magikarp for 500 Pokémon dollars, so only buy if you want an early Magikarp.
- Ekans is a FireRed grass encounter and Sandshrew a LeafGreen one.
- The pond has Krabby (LeafGreen) or Horsea (FireRed) when fishing with the Super Rod.
- TM05 Roar is on the high ground near the east cave entrance.
- Lass Crissy on the plateau has a surprisingly strong Paras line.
Walkthrough: Part 3: Mt. Moon and Cerulean City
FAQ
How do I get Magikarp on Route 4?
Buy it for 500 from the salesman in the Pokémon Center.
Where is TM05 Roar?
On the upper plateau reached after leaving Mt. Moon's east exit.
Which version has Ekans on Route 4?
FireRed; LeafGreen has Sandshrew in its place.
What Pokémon can you catch in Route 4 in FireRed and LeafGreen?
12 species: Rattata, Spearow, Ekans, Sandshrew, Mankey, Tentacool, Magikarp, Krabby, Horsea, Gyarados, Psyduck, Slowpoke. FireRed only: Ekans, Horsea, Psyduck. LeafGreen only: Sandshrew, Krabby, Slowpoke.
Sources & picture credits
Guide text is original retrogameindex writing, checked against Bulbapedia and the game data. Wild Pokémon and encounter chances for both versions, items, trainers, gifts, trades and shops come from the pret/pokefirered decompilation (pret/pokefirered 037335f4c7). Maps and sprites © Nintendo / Creatures / GAME FREAK, archived from the Bulbagarden Archives; the region maps are drawn from the game’s own map graphics (listed on the image gallery).