Mega Stone Locations

New Mega/Primal Pokemon can be found here

Pre-Norman

Mega Pokémon		Mega Stone	Location
Mega Shuckle		Shucklenite	Route 110, End of Cycling Road, on the floor.
Mega Lapras X		Laprasite X	Slateport, Oceanic Museum, Second Floor, on the ground.

Given by Norman

Before battling, Norman will give you the mega stones

Mega Pokémon		Mega Stone	Location
Mega Abomasnow	File:AbomasnowMega.png	Abomasite	Norman
Mega Absol		Absolite	Norman
Mega Aerodactyl	File:AerodactylMega.png	Aerodactylite	Norman
Mega Aggron	File:AggronMega.png	Aggronite	Norman
Mega Alakazam		Alakazite	Norman
Mega Altaria	File:AltariaMega.png	Altarianite	Norman
Mega Ampharos		Ampharosite	Norman
Mega Audino	File:AudinoMega.png	Audinite	Norman
Mega Banette	File:BanetteMega.png	Banettite	Norman
Mega Beedrill		Beedrillite	Norman
Mega Blastoise		Blastoisinite	Norman
Mega Blaziken	File:BlazikenMega.png	Blazikenite	Norman
Mega Camerupt	File:CameruptMega.png	Cameruptite	Norman
Mega Charizard X	File:CharizardMegaX.png	Charizardite X	Norman
Mega Charizard Y		Charizardite Y	Norman
Mega Diancie	File:DiancieMega.png	Diancite	Norman
Mega Gallade	File:GalladeMega.png	Galladite	Norman
Mega Garchomp		Garchompite	Norman
Mega Gardevoir	File:GardevoirMega.png	Gardevoirite	Norman
Mega Gengar Y	File:GengarMegaY.png	Gengarite Y	Norman
Mega Glalie		Glalite	Norman
Mega Gyarados	File:GyaradosMega.png	Gyaradosite	Norman
Mega Heracross	File:HeracrossMega.png	Heracronite	Norman
Mega Houndoom		Houndoominite	Norman
Mega Kangaskhan	File:KangaskhanMega.png	Kangaskhanite	Norman
Mega Latias	File:LatiasMega.png	Latiasite	Norman
Mega Latios	File:LatiosMega.png	Latiosite	Norman
Mega Lopunny	File:LopunnyMega.png	Lopunnite	Norman
Mega Lucario	File:LucarioMega.png	Lucarionite	Norman
Mega Manectric	File:ManectricMega.png	Manectite	Norman
Mega Mawile		Mawilite	Norman
Mega Medicham	File:MedichamMega.png	Medichamite	Norman
Mega Metagross	File:MetagrossMega.png	Metagrossite	Norman
Mega Mewtwo X	File:MewtwoMegaX.png	Mewtwonite X	Norman
Mega Mewtwo Y	File:MewtwoMegaY.png	Mewtwonite Y	Norman
Mega Pidgeot	File:PidgeotMega.png	Pidgeotite	Norman
Mega Pinsir	File:PinsirMega.png	Pinsirite	Norman
Mega Sableye	File:SableyeMega.png	Sablenite	Norman
Mega Salamence	File:SalamenceMega.png	Salamencite	Norman
Mega Sceptile	File:SceptileMega.png	Sceptilite	Norman
Mega Scizor	File:ScizorMega.png	Scizorite	Norman
Mega Sharpedo	File:SharpedoMega.png	Sharpedonite	Norman
Mega Slowbro	File:SlowbroMega.png	Slowbronite	Norman
Mega Steelix	File:SteelixMega.png	Steelixite	Norman
Mega Swampert	File:SwampertMega.png	Swampertite	Norman
Mega Tyranitar	File:TyranitarMega.png	Tyranitarite	Norman
Mega Venusaur Y	File:VenusaurMegaY.png	Venusaurite Y	Norman
Mega Milotic		Miloticite	Norman
Mega Flygon		Flygonite	Norman
Mega Butterfree		Butterfreenite	Norman
Mega Lapras Y		Laprasite Y	Norman
Mega Machamp		Machampite	Norman
Mega Kingler		Kinglerite	Norman
Mega Kingdra		Kingdrite	Norman
Mega Skarmory		Skarmorite	Norman
Mega Relicanth		Relicanthite	Norman
Mega Quagsire		Quagsirenite	Norman
Mega Swalot		Swalotite	Norman
Mega Luxray		Luxraynite	Norman
Mega Magnezone		Magnezonite	Norman

Adoption Center

Mega Pokémon	Mega Stone	Location
Mega Houndoom R	Houndoominite R	Adoption Center
Mega Sableye R	Sablenite R	Adoption Center
Mega Garchomp R	Garchompite R	Adoption Center
Mega Arcanine R	Arcanite R	Adoption Center
Mega Skarmory R	Skarmorite R	Adoption Center
Mega Machamp R	Machampite R	Adoption Center
Mega Beedrill R	Beedrillite R	Adoption Center
Mega Tyranitar R	Tyranitarite R	Adoption Center
Mega Alakazam R	Alakazite R	Adoption Center
Mega Scrafty	Scraftite	Adoption Center
Mega Frosslass	Frosslassite	Adoption Center
Mega Ribombee	Ribombite	Adoption Center
Mega Ursaluna	Ursalunite	Adoption Center
Mega Mawile R	Mawilite R	Adoption Center
Mega Wigglytuff Y	Wigglytuffite Y	Adoption Center
Mega Wigglytuff X	Wigglytuffite X	Adoption Center
Mega Tinkaton	Tinkatite	Adoption Center
Mega Hydreigon R	Hydreigonite R	Adoption Center
Mega Infernape R	Infernapite R	Adoption Center
Mega Torterra R	Torterranite R	Adoption Center
Mega Empoleon R	Empoleonite R	Adoption Center
Mega Clefable R	Clefablite R	Adoption Center
Mega Rapidash	Rapidashite	Adoption Center
Mega Rapidash G	Rapidashite G	Adoption Center
Mega Lucario Y	Lucarionite Y	Adoption Center
Mega Gyaradeath X	Gyaradeathite X	Adoption Center
Mega Gyaradeath Y	Gyaradeathite Y	Adoption Center
Mega Flygon R	Flygonite R	Adoption Center
Mega Tsareena R	Tsareenite R	Adoption Center
Mega Reuniclus R	Reuniclusite R	Adoption Center
Mega Golisopod	Golisopodite	Adoption Center
Mega Toxtricity R	Toxtricityite R	Adoption Center
Mega Arbok	Arbokite	Adoption Center
Mega Popcorm	Popcormite	Adoption Center
Mega Cormoth	Cormothite	Adoption Center
Mega Amphybuzz	Amphybuzzite	Adoption Center
Mega Aegislash R	Aegislashite R	Adoption Center
Mega Oricorio	Oricorionite	Adoption Center
Mega Glalie R	Glalite R	Adoption Center
Mega Frosslass R	Frosslassite R	Adoption Center
Mega Gengar X	Gengarite X	Adoption Center
Mega Venusaur X	Venusaurite X	Adoption Center
Mega Chariard Z	Chariardite Z	Adoption Center
Mega Blastoise X	Blastoisenite X	Adoption Center
Mega Orbeetle	Orbeetite	Adoption Center
Mega Corviknight	Corvinite	Adoption Center
Mega Centiskorch	Centiskite	Adoption Center
Mega Alcremie	Alcremite	Adoption Center
Mega Sandaconda	Sandacondite	Adoption Center
Mega Snorlax	Snorlaxite	Adoption Center
Mega Coalossal	Coalossalite	Adoption Center
Mega Cinderace	Cinderaceite	Adoption Center
Mega Rillaboom	Rillaboomite	Adoption Center
Mega Inteleon	Inteleonite	Adoption Center
Mega Drednaw	Drednawite	Adoption Center
Mega Garbodor	Garbodorite	Adoption Center
Mega Grimmsnarl	Grimmsnarlite	Adoption Center
Mega Hatterene	Hatterenite	Adoption Center
Mega Copperajah	Copperajite	Adoption Center
Mega Toxtricity	Toxtricitite	Adoption Center
Mega Kingambit R	Kingambitite R	Adoption Center

Post-Norman (Gym 5 Defeated)

Mega Pokémon	Mega Stone	Location
Mega Torterra	Torterranite	Top left of the Game Corner, Maniac that loves you. Requires 5 Gym Badges. 3 Mega vs 6 battle.
Mega Infernape	Infernapeite
Mega Empoleon	Empoleonite
Mega Meganium	Meganiumite	Verdanturf Meadow. Requires 5 Gym Badges. Defeat the Aroma Lady.
Mega Feraligatr X	Feraligatrite X	Route 105 on a small beach. Requires 5 Gym Badges. Defeat the Sailor.
Mega Feraligatr Y	Feraligatrite Y	Route 114. Requires 5 Gym Badges. Totem battle!
Mega Typhlosion	Typhlosionite	Top right section of Ashen Woods. Requires 5 Gym Badges. Defeat the Kindler.
Mega Breloom	Breloomite	North of Petalburg Forest (New Area). Requires 5 Gym Badges. Totem battle!
Mega Lanturn	Lanturnite	Mauville City. Quest Reward. Requires 5 Gym Badges. Talk to Wattson and give him an hand!
Mega Sandslash	Sandslashite	South of Route 111, Desert. Requires 5 Gym Badges. Totem battle!
Mega Krookodile	Krookodilenite	Extra zone outside of Mirage Tower, accessible from Sandstrewn Ruins under the Mirage Tower or tunnel in Fossil Manic's House in Route 114. Requires 5 Gym Badges. Defeat the Ruin Maniac.

Post-Winona (Gym 6 Defeated)

Mega Pokémon	Mega Stone	Location
Mega Nidoking	Nidokingite	Outside Rusturf Tunnel, Route 116. Requires 6 Gym Badges. Exit Rusturf Tunnel from the third entrance, close to the entrance from Verdanturf Town, where the Black Glasses Quest is .Defeat the Ace Trainer. This is a forced Double Battle.
Mega Nidoqueen	Nidoqueenite
Mega Slaking	Slakingite	Petalburg City. Requires 6 Gym Badges. Talk to Norman.
Mega Toucannon	Toucannonite	Fortree City. Requires 6 Gym Badges. Beat Winona.
Mega Hitmonchan	Hitmonchanite	Granite Cave (B2F). Requires 6 Gym Badges. Can only fight the Black Belt with 1 Fighting-Type of your choice. Uses one Hitmon-Mega randomly.
Mega Hitmonlee	Hitmonleenite
Mega Hitmontop	Hitmontopite

Post-Tate & Liza (Gym 7 Defeated)

Defeating Tate & Lisa unlocks several new Megas

Mega Pokémon	Mega Stone	Location
Mega Granbull	Granbullite	Route 123. Requires 7 Gym Badges. Defeat the Lady standing at the lake.
Mega Gyarados Y	Gyaradosite Y	Route 132. Requires 7 Gym Badges. Totem battle!
Mega Crobat	Crobatite	Dewford Mansion. Requires 7 Gym Badges. Talk to the old lady in the back of the mansion and defeat her.
Mega Slowking	Slowkingite	Mossdeep City. Requires 7 Gym Badges. Defeat Tate & Liza.
Mega Dragonite	Dragonitenite	Sky Pillar, North Route 131. Requires 7 Gym Badges.
Mega Shedinja	Shedinjite	Abandoned Ship, Route 108. Requires 7 Gym Badges. Dive underwater in one of the rooms and collect keys to access hidden rooms. Defeat the Bug Catcher in one of the hidden rooms. Note: Its unique ability only works once per battle, switching doesn't reset the counter.
Mega Haxorus	Haxorusite	Meteor Falls. Requires 7 Gym Badges. Totem battle. Find the trainer guarding the opening to another zone, where the Totem battle lies.
Mega Dewgong	Dewgongite	Seaspray Cave. Requires 7 Gym Badges. Totem battle!

Requires E4 + Champion Defeated

Mega Pokémon		Mega Stone	Location
Primal Cascoon		Purple Orb	In the woods, in the hands of a trainer, it awaits you. Note: Only a Champion is worthy of its power.