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Phase 3 section

Pokemon Yellow Routes 5 and 6 with Underground Path Walkthrough

Routes 5 and 6 with Underground Path 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

Use the Underground Path to reach Vermilion while Saffron's guards block the direct gates. This page is a standalone section for Phase 3: Thunder Badge, with source-backed Yellow encounter, trainer, item, hidden item, and boss data.

Source maps

Route 5, Underground Path North South, Underground Path Route 5, Underground Path Route 6, and Route 6.

Wild rows20 Trainers6 Items2

Route plan

Route 6 has several avoidable double-line trainers; clear them for Surge levels or save them for later.

Wild Pokemon

Area / subarea Game Method Pokemon Level Odds Condition / requirement
Route 5YellowTall grass / cave floor Pidgey Yellow sprite Pidgey 15-1739%Encounter rate 15; no time-of-day split in Yellow.
Route 5YellowTall grass / cave floor Rattata Yellow sprite Rattata 14-1630%Encounter rate 15; no time-of-day split in Yellow.
Route 5YellowTall grass / cave floor Abra Yellow sprite Abra 715%Encounter rate 15; no time-of-day split in Yellow.
Route 5YellowTall grass / cave floor Pidgeotto Yellow sprite Pidgeotto 175.1%Encounter rate 15; no time-of-day split in Yellow.
Route 5YellowTall grass / cave floor Jigglypuff Yellow sprite Jigglypuff 3-711%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowTall grass / cave floor Pidgey Yellow sprite Pidgey 15-1739%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowTall grass / cave floor Rattata Yellow sprite Rattata 14-1630%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowTall grass / cave floor Abra Yellow sprite Abra 715%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowTall grass / cave floor Pidgeotto Yellow sprite Pidgeotto 175.1%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowTall grass / cave floor Jigglypuff Yellow sprite Jigglypuff 3-711%Encounter rate 15; no time-of-day split in Yellow.
Route 6YellowSurf Psyduck Yellow sprite Psyduck 1595%Encounter rate 3; no time-of-day split in Yellow.
Route 6YellowSurf Golduck Yellow sprite Golduck 15-205.5%Encounter rate 3; no time-of-day split in Yellow.
Route 6YellowOld Rod Magikarp Yellow sprite Magikarp 5100%Any fishable water tile.
Route 6YellowGood Rod Goldeen Yellow sprite Goldeen 1050%Any fishable water tile after getting Good Rod.
Route 6YellowGood Rod Poliwag Yellow sprite Poliwag 1050%Any fishable water tile after getting Good Rod.
Route 6YellowSuper Rod Goldeen Yellow sprite Goldeen 525%Yellow Super Rod slot table.
Route 6YellowSuper Rod Goldeen Yellow sprite Goldeen 1025%Yellow Super Rod slot table.
Route 6YellowSuper Rod Goldeen Yellow sprite Goldeen 1525%Yellow Super Rod slot table.
Route 6YellowSuper Rod Goldeen Yellow sprite Goldeen 2025%Yellow Super Rod slot table.
Underground Path Route 5YellowIn-game trade Machoke Yellow sprite Machoke TradedGiftTrade Cubone for Machoke (RICKY). Trade Cubone for Machoke in the Underground Path gate.

Trainers

Route order Trainer Team Reward Optional / rematch note
1. Route 6 (10, 21)Jr. Trainer M trainer spriteJr. Trainer MParty #10
Weepinbell Yellow sprite Weepinbell Lv. 16
$320One-time trainer; no rematch in Yellow.
2. Route 6 (11, 21)Jr. Trainer F trainer spriteJr. Trainer FParty #25
Cubone Yellow sprite Cubone Lv. 20
$400One-time trainer; no rematch in Yellow.
3. Route 6 (0, 15)Bug Catcher trainer spriteBug CatcherParty #10
Weedle Yellow sprite Weedle Lv. 16 Caterpie Yellow sprite Caterpie Lv. 16 Weedle Yellow sprite Weedle Lv. 16
$160One-time trainer; no rematch in Yellow.
4. Route 6 (11, 31)Jr. Trainer M trainer spriteJr. Trainer MParty #5
Spearow Yellow sprite Spearow Lv. 16 Raticate Yellow sprite Raticate Lv. 16
$320One-time trainer; no rematch in Yellow.
5. Route 6 (11, 30)Jr. Trainer F trainer spriteJr. Trainer FParty #3
Pidgey Yellow sprite Pidgey Lv. 16 Pidgey Yellow sprite Pidgey Lv. 16 Pidgey Yellow sprite Pidgey Lv. 16
$320One-time trainer; no rematch in Yellow.
6. Route 6 (19, 26)Bug Catcher trainer spriteBug CatcherParty #11
Butterfree Yellow sprite Butterfree Lv. 20
$200One-time trainer; no rematch in Yellow.

Items And Hidden Items

Item Type Area / direction Coordinate Requirement
Full RestoreHidden itemHidden on the searchable tile at (3, 4) in Underground Path North South.(3, 4)Press A on the hidden tile or use the Itemfinder nearby.
X SpecialHidden itemHidden on the searchable tile at (4, 34) in Underground Path North South.(4, 34)Press A on the hidden tile or use the Itemfinder nearby.

Boss Strategy

No boss or Rival branch is attached to this section.

Completion Checklist

  • Search Underground Path hidden items.
  • Clear Route 6 trainers.
  • Check Yellow Route 5/6 catches before Vermilion if desired.
  • 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 3: Thunder BadgePrevious: Cerulean GymNext: Vermilion City and S.S. Anne