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Pokemon Yellow Route 1, Viridian City, and Route 22 Walkthrough

Route 1, Viridian City, and Route 22 section for the Pokemon Yellow walkthrough with wild Pokemon, trainers, items, hidden items, coordinates, and boss strategy.

By Damodar Sharma Updated June 23, 2026 Walkthrough

Stock up, catch early Route 1/22 Pokemon, and optionally fight the early Rival west of Viridian. This page is a standalone section for Phase 1: Boulder Badge, with source-backed Yellow encounter, trainer, item, hidden item, and boss data.

Source maps

Route 1, Viridian City, and Route 22.

Wild rows20 Trainers0 Items3

Route plan

Use Route 1 for first catches, buy supplies in Viridian after the parcel errand, then test your team on Route 22 before the forest.

Wild Pokemon

Area / subarea Game Method Pokemon Level Odds Condition / requirement
Route 1YellowTall grass / cave floor Pidgey Yellow sprite Pidgey 2-770%Encounter rate 25; no time-of-day split in Yellow.
Route 1YellowTall grass / cave floor Rattata Yellow sprite Rattata 2-430%Encounter rate 25; no time-of-day split in Yellow.
Route 22YellowTall grass / cave floor Nidoran M Yellow sprite Nidoran M 2-430%Encounter rate 25; no time-of-day split in Yellow.
Route 22YellowTall grass / cave floor Nidoran F Yellow sprite Nidoran F 2-430%Encounter rate 25; no time-of-day split in Yellow.
Route 22YellowTall grass / cave floor Mankey Yellow sprite Mankey 3-520%Encounter rate 25; no time-of-day split in Yellow.
Route 22YellowTall grass / cave floor Rattata Yellow sprite Rattata 39.8%Encounter rate 25; no time-of-day split in Yellow.
Route 22YellowTall grass / cave floor Spearow Yellow sprite Spearow 2-611%Encounter rate 25; no time-of-day split in Yellow.
Viridian CityYellowOld Rod Magikarp Yellow sprite Magikarp 5100%Any fishable water tile.
Viridian CityYellowGood Rod Goldeen Yellow sprite Goldeen 1050%Any fishable water tile after getting Good Rod.
Viridian CityYellowGood Rod Poliwag Yellow sprite Poliwag 1050%Any fishable water tile after getting Good Rod.
Viridian CityYellowSuper Rod Poliwag Yellow sprite Poliwag 525%Yellow Super Rod slot table.
Viridian CityYellowSuper Rod Poliwag Yellow sprite Poliwag 1050%Yellow Super Rod slot table.
Viridian CityYellowSuper Rod Poliwag Yellow sprite Poliwag 1525%Yellow Super Rod slot table.
Route 22YellowOld Rod Magikarp Yellow sprite Magikarp 5100%Any fishable water tile.
Route 22YellowGood Rod Goldeen Yellow sprite Goldeen 1050%Any fishable water tile after getting Good Rod.
Route 22YellowGood Rod Poliwag Yellow sprite Poliwag 1050%Any fishable water tile after getting Good Rod.
Route 22YellowSuper Rod Poliwag Yellow sprite Poliwag 525%Yellow Super Rod slot table.
Route 22YellowSuper Rod Poliwag Yellow sprite Poliwag 1025%Yellow Super Rod slot table.
Route 22YellowSuper Rod Poliwag Yellow sprite Poliwag 1525%Yellow Super Rod slot table.
Route 22YellowSuper Rod Poliwhirl Yellow sprite Poliwhirl 1525%Yellow Super Rod slot table.

Trainers

No regular trainers are sourced for this section.

Items And Hidden Items

Item Type Area / direction Coordinate Requirement
PotionHidden itemHidden on the searchable tile at (14, 4) in Viridian City.(14, 4)Press A on the hidden tile or use the Itemfinder nearby.
PotionGiftTalk to the Poke Mart clerk on Route 1.-Talk to the Poke Mart clerk on Route 1.
TM42 Dream EaterGiftRequires Cut; talk to the sleeping man in west Viridian later.-Requires Cut; talk to the sleeping man in west Viridian later.

Boss Strategy

Boss / branch Team Reward Danger notes Practical counters
Rival trainer spriteRivalRoute 22 early Rival
Spearow Yellow sprite Spearow Lv. 9 Eevee Yellow sprite Eevee Lv. 8
$280Spearow plus Eevee can overwhelm an underleveled team before Brock.Train Pikachu and at least one backup first. Winning this optional fight after winning Oak's Lab pushes the Rival toward the Jolteon branch.

Completion Checklist

  • Catch Pidgey/Rattata basics and Route 22 Brock support.
  • Pick up the hidden Viridian Potion.
  • Fight or skip the optional Route 22 Rival before Brock.
  • Verify the Yellow encounter rows before leaving if you are filling the Pokedex.
  • Use the item rows as a visible-item and hidden-item sweep before moving to the next section.

Sources

  • pret/pokeyellow: wild encounters, trainer parties, trainer money, map object events, hidden event items, rods, trades, and prize Pokemon.
  • Encounter odds aggregate the Gen I ten-slot rates: 51/256, 51/256, 39/256, 25/256, 25/256, 25/256, 13/256, 13/256, 11/256, and 3/256.
  • Yellow has no day/night encounter column; tables use Game, Method, and Condition instead.

Related articles

Pokemon Yellow Walkthrough HubPhase 1: Boulder BadgePrevious: Pallet Town and Oak's LabNext: Route 2 and Viridian Forest