Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City.
Utility:
Surf can be used to encounter wild Pokémon in Yellow.
Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City.
Utility:
Surf can be used to encounter wild Pokémon in Yellow.
Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City. It is closed until power is restored to Kanto.
Utility:
Surf can be used to encounter wild Pokémon.
Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City.
The VS Seeker can be used in this area to rematch Trainers.
Utility:
Surf can be used to encounter wild Pokémon.
Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City. It is closed until power is restored to Kanto.
Utility:
Surf can be used to encounter wild Pokémon.
Headbutt can be used to encounter wild Pokémon.
Access to:
North: Saffron City
North: Route 5 (via the Underground Path)
South: Vermilion City
Places of interest:
Underground Path: Connects Route 5 and Route 6, enabling travel from Cerulean City to Vermilion City without passing through Saffron City.
Utility:
Sea Skim can be used to encounter wild Pokémon.
A Flying Pokémon can be used to encounter wild Pokémon.
Pokémon
Walking
In-Game Trade
All Versions
| Player's Pokémon |
Received Pokémon |
Games |
Notes |
|
|
Nidoran♀ |
|
Nidoran♂ |
R |
G |
B |
Y |
This trade is with the little girl in the Route 5 entrance to the Underground Path. |
|
|
Rattata |
|
Poliwag |
R |
G |
B |
Y |
This trade is with the little girl in the Route 5 entrance to the Underground Path. |
|
|
Cubone |
|
Machoke |
R |
G |
B |
Y |
This trade is with the little girl in the Route 5 entrance to the Underground Path.
Machoke immediately evolves into Machamp. |
Surfing
Pokémon can only be encountered by Surfing in Yellow.
Fishing
Pokémon
Walking
In-Game Trade
All Versions
| Player's Pokémon |
Received Pokémon |
Games |
Notes |
|
|
Nidoran♂ |
|
Nidoran♀ |
R |
B |
Y |
This trade is with the little girl in the Route 5 entrance to the Underground Path. |
|
|
Cubone |
|
Machoke |
R |
B |
Y |
This trade is with the little girl in the Route 5 entrance to the Underground Path.
Machoke immediately evolves into Machamp. |
Surfing
Pokémon can only be encountered by Surfing in Yellow.
Fishing
Pokémon
- Wild Magnemite have a 2% chance of holding a Metal Coat.
- Wild Magnemite and Snubbull can flee.
Walking
Surfing
Fishing
Pokémon
- Wild Meowth have a 5% chance of holding a Nugget.
Walking
In-Game Trade
All Versions
| Player's Pokémon |
Received Pokémon |
Games |
Notes |
|
|
Nidoran♂ |
|
Nidoran♀ |
FR |
LG |
The trade is with the little girl in the Route 5 entrance to the Underground Path. Nidoran♀ holds a Tinymushroom. |
|
|
Nidoran♀ |
|
Nidoran♂ |
FR |
LG |
The trade is with the little girl in the Route 5 entrance to the Underground Path. Nidoran♂ holds a Tinymushroom. |
Surfing
Fishing
Pokémon
- Wild Whismur have a 5% chance of holding a Chesto Berry.
- Wild Buizel have a 5% chance of holding a Wacan Berry.
- Wild Linoone have a 50% chance of holding an Oran Berry and a 5% chance of holding a Sitrus Berry.
- Wild Magnemite have a 5% chance of holding a Metal Coat.
- Wild Abra have a 5% chance of holding a TwistedSpoon.
- Wild Meowth have a 5% chance of holding a Quick Claw.
- Wild Combee always hold Honey.
Walking
Headbutt (Group A)
Headbutt (Group B)
Surfing
Fishing
Pokémon
When using any Lure, all encountered non-Flying Pokémon will be level 17, and all Flying Pokémon will be level 57.
Walking
Rare Spawn (Walking)
Normally, Rare Spawns have a 0.5% chance of appearing. This rate can be boosted with a Catch Combo, to a maximum of 50% with a combo of 11+ Pokémon.
Rare Spawn (Walking)
| Pokémon |
Levels |
|
|
Chansey |
lv. 11-16 |
Sea Skim
Flying
Rare Spawn (Flying)
Normally, Rare Spawns have a 0.5% chance of appearing. This rate can be boosted with a Catch Combo, to a maximum of 50% with a combo of 11+ Pokémon.
Rare Spawn (Flying)
| Pokémon |
Levels |
|
|
Charizard |
lv. 3-56 |
|
|
Dragonite |
lv. 3-56 |
Legendary Spawn (Flying)
Legendary Spawns have a 1/2000, or 0.05%, chance of appearing.
Legendary Spawn (Flying)
| Pokémon |
Levels |
|
|
Articuno |
lv. 3-56 |
|
|
Zapdos |
lv. 3-56 |
|
|
Moltres |
lv. 3-56 |
Items
Red, Green, Blue, and Yellow Items
| Item |
Location |
Notes |
| かいふくのくすり (Full Restore) |
In the Underground Path, two tiles west of the northern exit |
Hidden. |
| スペシャルアップ (X Special) |
In the Underground Path, two tiles east and seven north of the southern exit |
Hidden. |
Items
Red, Blue, and Yellow Items
| Item |
Location |
Notes |
| Full Restore |
In the Underground Path, two tiles west of the northern exit |
Hidden. |
| X Special |
In the Underground Path, two tiles east and seven north of the southern exit |
Hidden. |
Items
Gold, Silver, and Crystal Items
| Item |
Location |
Notes |
| Full Restore |
In the Underground Path, seven tiles south of the northern exit |
Hidden. |
| X Special |
In the Underground Path, two tiles east and five north of the southern exit |
Hidden. |
Items
FireRed and LeafGreen Items
| Item |
Location |
Notes |
| Antidote |
In the Underground Path, two tiles south of the northern exit and two west of the eastern wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Parlyz Heal |
In the Underground Path, on the northernmost blue line, three tiles east of the western wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Awakening |
In the Underground Path, six tiles north of the northernmost red line and one tile east of the western wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Potion |
In the Underground Path, on the northernmost red line, two tiles west of the eastern wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Ether |
In the Underground Path, five tiles south of the southernmost blue line and three tiles east of the western wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Ice Heal |
In the Underground Path, six tiles north of the southern exit and one tile west of the eastern wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Burn Heal |
In the Underground Path, two tiles north of the southern exit and two tiles east of the western wall |
Hidden. May regenerate after the player takes 1500 steps. |
| Rare Candy |
Two tiles north of the tile between the two ledges east of the Saffron City gate |
Hidden. |
| Sitrus Berry |
On the Berry tile west of the Saffron City gate |
Hidden. |
Items
HeartGold and SoulSilver Items
| Item |
Location |
Notes |
| TM64 Explosion |
Obtained from a man in the Underground Path in exchange for a Ragecandybar |
|
| Full Restore |
In the Underground Path, five tiles south and one east of the northwesternmost cone |
Hidden. |
| X Special |
In the Underground Path, in the cone south of the man who gives out TM64 Explosion |
Hidden. |
| TM62 Silver Wind |
In the west area |
|
Items
All hidden items seem to have a chance to regenerate at midnight every day.
Let's Go Pikachu and Let's Go Eevee Items
| Item |
Location |
Notes |
| Repel |
In the Underground Path, south of the northern exit |
|
| Lure |
In the Underground Path, near the southern exit |
|
| Nugget |
In the Underground Path, on the 35th middle tile from the northern exit |
Hidden. |
| Super Potion |
West of the Saffron City gate |
|
| Rare Candy |
East of the Saffron City gate, in the center of the plateau |
Hidden. |
| Guard Spec. |
West of Gentleman Edward |
|
| Paralyze Heal |
In the southwest corner |
|
Randomly Determined Items
A hidden Pretty Wing, Pearl, Big Pearl, or Nugget can be found in the following areas:
- In the Underground Path, on the 23rd blue tile from the northern exit
- In the Underground Path, on the 31st blue tile from the southern exit
A hidden Repel, Super Repel, Max Repel, Lure, Super Lure, or Max Lure can be found in the Underground Path, on the 31st red tile from the southern exit.
A hidden Fresh Water, Potion, Super Potion, or Hyper Potion can be found in the Underground Path, on the 12th red tile from the southern exit.
