Mt. Boulder Gym
Gym Castro Valley.png
Location Mt. Boulder Caves
Gym Leader Giovanni/Silver/Ronan
Badge Star Badge
Dominant Type Ground (Giovanni and Ronan)/Various (Silver)
Region Rijon

The Mt. Boulder Gym is a Pokémon Gym located in Mt. Boulder Caves. In Pokémon Brown, Giovanni is the leader. In Pokémon Prism, the leader is Silver, and in Rijon Adventures, its leader is Ronan.

Appearance[edit | edit source]

RijonAdv - Mt. Boulder Caves Gym.png

Pokémon Brown[edit | edit source]

Pokémon Prism[edit | edit source]

Trainer Pokémon
Sailor Poul
Reward: PokémonDollar.png3160 and Cage Key
73.gif Tentacruel Lv.77
No item
73.gif Tentacruel Lv.78
No item
184.gif Azumarill Lv.78
No item
369-Relicanth.gif Relicanth Lv.79
No item
Rocket Grunt.png
Rocket Grunt
Reward: PokémonDollar.png3240 and Cage Key
49.gif Venomoth Lv.78
No item
110.gif Weezing Lv.79
No item
169.gif Crobat Lv.81
No item

Palette Pink
Mt. Boulder Gym

Reward: PokeDollar.svg5976 and Cage Key

Palette Pink.png
RA - Team5.png
Wigglytuff Lvl 80
Slowbro Lvl 81
Own Tempo
Perish Song Hyper Voice Iron Defense Psychic
Play Rough Mustard Gas Waterfall Amnesia
Slowking Lvl 82
Own Tempo
Sylveon Lvl 82
Cute Charm
Nasty Plot Psychic Charm Hyper Voice
Waterfall Power Gem Moonblast Calm Mind
Porygon-Z Lvl 83
Hyper Voice Nasty Plot
Recover Blizzard

Leader Silver
Mt. Boulder Gym

Reward: PokeDollar.svg8800 and TM08 (Flash)

RA - Team6.png
Weavile Lvl 79
Crobat Lvl 81
Inner Focus
Night Slash Swords Dance Screech Brave Bird
Ice Punch Fury Cutter Air Slash Crunch
Magneton Lvl 82
Magnet Pull
Gengar Lvl 83
Thunderbolt Flash Cannon Dark Pulse Sludge Bomb
Metallurgy Supersonic Hypnosis Will-O-Wisp
Alakazam Lvl 85
Inner Focus
Hitmontop Lvl 88
Dark Pulse Calm Mind Double-Edge Bulk Up
Psychic Recover Mach Punch Hi Jump Kick

Rijon Adventures[edit | edit source]

Trainer Pokémon
Ace Trainer Yuji
Reward: PokémonDollar.png2016
[[File:]] Sandslash? Lv.56
No item
[[File:]] Graveler? Lv.56
No item
[[File:]] Onix? Lv.56
No item
[[File:]] Graveler? Lv.55
No item
[[File:]] Marowak? Lv.56
No item
Black Belt Atsushi
Reward: PokémonDollar.png1344
[[File:]] Hariyama? Lv.56
No item
[[File:]] Medicham? Lv.56
No item
Guitarist Doug
Reward: PokémonDollar.png1920
[[File:]] Electabuzz? Lv.60
No item
Crush Girl Izumi
Reward: PokémonDollar.png900
[[File:]] Hariyama? Lv.60
No item
Tamer Cole
Reward: PokémonDollar.png2320
[[File:]] Seviper? Lv.57
No item
[[File:]] Tauros? Lv.58
No item
Ace Trainer Cole
Reward: PokémonDollar.png2016
[[File:]] Sandslash? Lv.54
No item
[[File:]] Rhyhorn? Lv.55
No item
[[File:]] Nidoking? Lv.56
No item
[[File:]] Nidorino? Lv.56
No item
[[File:]] Sandslash? Lv.54
No item
Black Belt Tanaka
Reward: PokémonDollar.png1392
[[File:]] Hitmontop? Lv.55
No item
[[File:]] Hariyama? Lv.55
No item
[[File:]] Hitmonchan? Lv.58
No item
Ace Trainer Lilah
Reward: PokémonDollar.png2232
[[File:]] Nidoqueen? Lv.55
No item
[[File:]] Aggron? Lv.62
No item

Mt. Boulder Caves

Reward: PokeDollar.svg6600 and TM26 (Earthquake)

RijonAdv - Ronan Sprite.png
RA - Team5.png
Slaking Lvl 63
Item: Leftovers
Aggron Lvl 64
Item: Metal Coat
Encore Facade Iron Defense Earthquake
Focus Punch Earthquake Rock Blast Fissure
Tyranitar Lvl 65
Item: Black Glasses
Steelix Lvl 64
Item: Metal Coat
Dragon Dance Thunderbolt Fire Blast Crunch
Crunch Earthquake Dragon Breath Earthquake
Salamence Lvl 66
Item: Sitrus Berry
Crunch Substitute
Fire Blast Earthquake

Navigation[edit | edit source]

Rijon Gyms
Marine Badge.png Hail Badge.png Sprout Badge.png Spark Badge.png Fist Badge.png Psi Badge.png White Badge.png Star Badge.png
Seashore GymMerson GymOwsauri GymMoraga Gym
Jaeru GymCastro GymEquality River GymMt. Boulder Gym
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