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Pokemon Gold and Silver walkthrough

Pokemon Gold and Silver Phase 12: Cascade Badge Walkthrough

Phase 12 of the Pokemon Gold and Silver walkthrough covering Power Plant, Rock Tunnel, Cerulean, Nugget Bridge, and Misty.

By Damodar Sharma Updated June 23, 2026 Walkthrough
Pokemon Gold Version box art Pokemon Silver Version box art

Phase 12

Cascade Badge

Power Plant, Rock Tunnel, Cerulean, Nugget Bridge, and Misty.

Target level48-54 Main rewardCascade Badge, Power Plant restored Route sections4

Tables on this page use pret/pokegold map, trainer, item, and encounter data for Pokemon Gold and Silver only.

Section Route

01
Power Plant, Route 9, and Route 10
 02
Rock Tunnel
 03
Cerulean City, Routes 24 and 25
 04
Cerulean Gym

Phase Data Rollup

SectionSource mapsWild rowsTrainersItems/tradesBoss cards
Phase 12 total158718151
Power Plant, Route 9, and Route 10540820
Rock Tunnel25080
Cerulean City, Routes 24 and 25742740
Cerulean Gym10311
Version
Time

Power Plant, Route 9, and Route 10

Start the Machine Part quest and cover the Rock Tunnel approach.

Source maps5 Wild rows40 Trainers8 Items/trades2

Route 9

Route 9 wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Grass / cave floor
Rattata Gold and Silver sprite Rattata GS13-1530%30%70%—
Spearow Gold and Silver sprite Spearow GS13-1550%50%——
Rattata Gold and Silver sprite Rattata GS13-1530%30%40%—
Mankey Gold and Silver sprite Mankey GS1330%—
Raticate Gold and Silver sprite Raticate GS1515%15%30%—
Raticate Gold and Silver sprite Raticate GS1510%10%25%—
Spearow Gold and Silver sprite Spearow GS1320%20%——
Fearow Gold and Silver sprite Fearow GS155%5%——
Primeape Gold and Silver sprite Primeape GS155%—
Surfing
Goldeen Gold and Silver sprite Goldeen GS10-1590%—
Seaking Gold and Silver sprite Seaking GS1510%—
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Route 10 North

Route 10 North wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Grass / cave floor
Quagsire Gold and Silver sprite Quagsire GS16-175%—40%—
Spearow Gold and Silver sprite Spearow GS1630%30%——
Voltorb Gold and Silver sprite Voltorb GS1730%—
Raticate Gold and Silver sprite Raticate GS16-1820%20%25%—
Electabuzz Gold and Silver sprite Electabuzz GS15-175%10%5%—
Fearow Gold and Silver sprite Fearow GS1810%10%——
Surfing
Goldeen Gold and Silver sprite Goldeen GS10-1590%—
Seaking Gold and Silver sprite Seaking GS1510%—
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Route 10 South

Route 10 South wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Trainers

Route orderTrainerTeamRewardOptional / rematch note
Route 9 (23, 11)Camper Dean
Golduck Gold and Silver sprite Golduck Lv. 33 Sandslash Gold and Silver sprite Sandslash Lv. 31
$155One-time trainer battle.
Route 9 (35, 8)Picnicker Heidi
Skiploom Gold and Silver sprite Skiploom Lv. 32 Skiploom Gold and Silver sprite Skiploom Lv. 32
$160One-time trainer battle.
Route 9 (11, 2)Camper Sid
Dugtrio Gold and Silver sprite Dugtrio Lv. 32 Primeape Gold and Silver sprite Primeape Lv. 29 Poliwrath Gold and Silver sprite Poliwrath Lv. 29
$145One-time trainer battle.
Route 9 (9, 10)Picnicker Edna
Nidorina Gold and Silver sprite Nidorina Lv. 30 Raichu Gold and Silver sprite Raichu Lv. 34
$170One-time trainer battle.
Route 9 (32, 3)Hiker Tim
Graveler Gold and Silver sprite Graveler Lv. 31 Graveler Gold and Silver sprite Graveler Lv. 31 Graveler Gold and Silver sprite Graveler Lv. 31
$248One-time trainer battle.
Route 9 (33, 15)Hiker Sidney
Dugtrio Gold and Silver sprite Dugtrio Lv. 34 Onix Gold and Silver sprite Onix Lv. 32
$256One-time trainer battle.
Route 10 South (17, 3)Hiker Jim
Machamp Gold and Silver sprite Machamp Lv. 35
$280One-time trainer battle.
Route 10 South (4, 10)Pokefanm Robert
Quagsire Gold and Silver sprite Quagsire Lv. 33
$660One-time trainer battle.

Items, Hidden Items, And Events

Item / tradeTypeArea / directionCoordinateRequirement
EtherHidden itemRoute 9(10, 5)Check the tile.
TM07 Zap CannonNPC giftPower Plant(14, 10)Talk to the NPC or complete the local task.

Rock Tunnel

Clear optional Rock Tunnel encounters and trainers.

Source maps2 Wild rows5 Trainers0 Items/trades8

Wild Pokemon

Rock Tunnel 1F wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Grass / cave floor
Cubone Gold and Silver sprite Cubone GS10-1335%—
Geodude Gold and Silver sprite Geodude GS1030%—
Machop Gold and Silver sprite Machop GS1220%—
Zubat Gold and Silver sprite Zubat GS810%—
Machoke Gold and Silver sprite Machoke GS145%—

Items, Hidden Items, And Events

Item / tradeTypeArea / directionCoordinateRequirement
ElixerItem ballRock Tunnel 1F(4, 18)Visible pickup.
TM47 Steel WingItem ballRock Tunnel 1F(10, 15)Visible pickup.
X AccuracyHidden itemRock Tunnel 1F(24, 4)Check the tile.
X DefendHidden itemRock Tunnel 1F(21, 15)Check the tile.
IronItem ballRock Tunnel B 1F(7, 25)Visible pickup.
PP UpItem ballRock Tunnel B 1F(6, 17)Visible pickup.
ReviveItem ballRock Tunnel B 1F(15, 2)Visible pickup.
Max PotionHidden itemRock Tunnel B 1F(4, 14)Check the tile.

Cerulean City, Routes 24 and 25

Find the Machine Part, visit Bill's grandfather, and reach Misty.

Source maps7 Wild rows42 Trainers7 Items/trades4

Cerulean City

Cerulean City wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Surfing
Goldeen Gold and Silver sprite Goldeen GS5-1090%—
Seaking Gold and Silver sprite Seaking GS1010%—
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Route 24

Route 24 wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Grass / cave floor
Bellsprout Gold and Silver sprite Bellsprout GS8-1060%35%5%—
Sunkern Gold and Silver sprite Sunkern GS10—30%——
Venonat Gold and Silver sprite Venonat GS85%—30%—
Oddish Gold and Silver sprite Oddish GS10——30%—
Abra Gold and Silver sprite Abra GS920%—
Weepinbell Gold and Silver sprite Weepinbell GS12-1415%15%10%—
Venomoth Gold and Silver sprite Venomoth GS10——5%—
Surfing
Goldeen Gold and Silver sprite Goldeen GS5-1090%—
Seaking Gold and Silver sprite Seaking GS1010%—
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Route 25

Route 25 wild Pokemon by method, games, levels, time-of-day rates, and requirements
PokémonGamesLevelsRateNotes
MorningDayNight
Grass / cave floor
Pidgey Gold and Silver sprite Pidgey GS8-1030%50%——
Bellsprout Gold and Silver sprite Bellsprout GS1030%30%5%—
Venonat Gold and Silver sprite Venonat GS820%—30%—
Oddish Gold and Silver sprite Oddish GS10——30%—
Venomoth Gold and Silver sprite Venomoth GS10——20%—
Abra Gold and Silver sprite Abra GS910%—
Pidgeotto Gold and Silver sprite Pidgeotto GS10 or 125%5%——
Weepinbell Gold and Silver sprite Weepinbell GS145%—
Surfing
Goldeen Gold and Silver sprite Goldeen GS5-1090%—
Seaking Gold and Silver sprite Seaking GS1010%—
Fishing — Old Rod
Magikarp Gold and Silver sprite Magikarp GS1085%—
Goldeen Gold and Silver sprite Goldeen GS1015%—
Fishing — Good Rod
Goldeen Gold and Silver sprite Goldeen GS2055%—
Magikarp Gold and Silver sprite Magikarp GS2035%—
Fishing — Super Rod
Magikarp Gold and Silver sprite Magikarp GS4050%—
Goldeen Gold and Silver sprite Goldeen GS4040%—
Seaking Gold and Silver sprite Seaking GS4010%—

Trainers

Route orderTrainerTeamRewardOptional / rematch note
Route 25 (12, 8)Schoolboy Dudley
Oddish Gold and Silver sprite Oddish Lv. 35
$280One-time trainer battle.
Route 25 (16, 11)Lass Ellen
Wigglytuff Gold and Silver sprite Wigglytuff Lv. 30 Granbull Gold and Silver sprite Granbull Lv. 34
$204One-time trainer battle.
Route 25 (21, 8)Schoolboy Joe
Tangela Gold and Silver sprite Tangela Lv. 33 Vaporeon Gold and Silver sprite Vaporeon Lv. 33
$264One-time trainer battle.
Route 25 (22, 6)Lass Laura
Gloom Gold and Silver sprite Gloom Lv. 28 Pidgeotto Gold and Silver sprite Pidgeotto Lv. 31 Bellossom Gold and Silver sprite Bellossom Lv. 31
$186One-time trainer battle.
Route 25 (25, 4)Camper Lloyd
Nidoking Gold and Silver sprite Nidoking Lv. 34
$170One-time trainer battle.
Route 25 (28, 11)Lass Shannon
Paras Gold and Silver sprite Paras Lv. 29 Paras Gold and Silver sprite Paras Lv. 29 Parasect Gold and Silver sprite Parasect Lv. 32
$192One-time trainer battle.
Route 25 (31, 7)Super Nerd Pat
Porygon Gold and Silver sprite Porygon Lv. 36
$288One-time trainer battle.

Items, Hidden Items, And Events

Item / tradeTypeArea / directionCoordinateRequirement
Berserk GeneHidden itemCerulean City(2, 12)Check the tile.
ProteinItem ballRoute 25(32, 4)Visible pickup.
PotionHidden itemRoute 25(4, 5)Check the tile.
NuggetNPC giftRoute 25(37, 8)Talk to the NPC or complete the local task.

Cerulean Gym

Beat Misty and claim Cascade Badge.

Source maps1 Wild rows0 Trainers3 Items/trades1

Trainers

Route orderTrainerTeamRewardOptional / rematch note
Cerulean Gym (4, 6)Swimmerf Diana
Golduck Gold and Silver sprite Golduck Lv. 37
$185One-time trainer battle.
Cerulean Gym (1, 9)Swimmerf Briana
Seaking Gold and Silver sprite Seaking Lv. 35 Seaking Gold and Silver sprite Seaking Lv. 35
$175One-time trainer battle.
Cerulean Gym (8, 9)Swimmerm Parker
Horsea Gold and Silver sprite Horsea Lv. 32 Horsea Gold and Silver sprite Horsea Lv. 32 Seadra Gold and Silver sprite Seadra Lv. 35
$70One-time trainer battle.

Items, Hidden Items, And Events

Item / tradeTypeArea / directionCoordinateRequirement
Machine PartHidden itemCerulean Gym(3, 8)Check the tile.

Boss Cards

Boss / branchTeamRewardDanger notesPractical counters
Misty
Golduck Gold and Silver sprite Golduck Lv. 42 Quagsire Gold and Silver sprite Quagsire Lv. 42 Lapras Gold and Silver sprite Lapras Lv. 44 Starmie Gold and Silver sprite Starmie Lv. 47
$1,175Starmie is still the centerpiece.Electric and Grass pressure, with healing for Surf turns.

Phase 12 Checklist

  • Finish each section in order before treating Cascade Badge as complete.

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Pokemon Gold and Silver Walkthrough HubPhase 11: Rainbow + Soul BadgesPhase 13: Volcano, Boulder + Earth Badges