[ORAS] Mega Stone Locations

Absolite
You need an Acro Bike. Go to the Safari Zone and go west until you find two stumps you can jump on using the Acro Bike. Jump on the rails and go north to find the Absolite.

Aggronite
You need the HM Rock Smash. Go to Rusturf Tunnel and smash the rocks blocking the way to the other entrance/exit. A person will reward you with the Aggronite.

Alazkazite
Go to the bottom left corner of the Slateport City Market to find the Alakazite.

Altarianite
You need an Altaria. Go to Liliycove City. Talk to the guy standing outside of the house to the right of the Pokémon Center to get the Altarianite.

Banettite
On the summit of Mt. Pyre, on the right side with the rubble.

Beedrillite
You need Surf. Go to Sea Mauville. Talk to the little girl on the right side of the deck to get the key to Room 1. Go to Room 1 and check the lockers for the key ro Room 2. Enter Room 2 and talk to the girl to get the key to Room 6. Enter Room 6 and go through the next door to go outside. Surf to a fisherman, and after answering questions, you get a key to Room 4. Enter Room 4 and get the Storage Key. Go back to the fisherman area and the storage room will be near the fisherman. At the bottom of the room will be the Beedrillite.

Garchompite
Collect 1000 flags from Secret Bases.

Glalitite
Transfer from the demo or go to Shoal Cave during a low tide.

Gyaradosite
A house on the right side of Route 123. Scratch the Poochyena to receive the Gyaradosite.

Heracronite
Route 127. The right side with the sand. Look for a narrow passage.

Lucarionite
Beat Lisia in a Master Rank Contest Spectacular.

Manectite
On Route 110 under Cycling Road by the Beauty trainer.

Mawilite
Go to the bottom fence area on the route east of Verdanturf Town. There will be a small opening. Go in there to find the Mawilite.

Medichamite
The top floor of the graveyard of Mt. Pyre. Located at the right of the shrine.

Pidgeotite
Talk to the little girl near Wally's Uncle's house and look for her Shroomish by pressing A at the Verdanturf Town sign. She'll give you the Intruiging Sotne. Give it to Mr. Stone it will become a Pidgeotite.

Pinsirite
Route 124. After leaving Lilycove City, stay on the bottom to find a small Dive spot. Follow the path after diving to find the Pinsirite.


Sablenite
Sootopolis City. Bottom right corner near the Cave of Origin.

Slowbronite
Go to Shoal Cave and collect 4 Shoal Shells and 4 Shoal Salt. Talk to the old man at the entrance to receive the Slowbronite.

Steelixite
Go to Granite Cave with a Mach Bike. Use the Mach Bike to go up the steep paths. Enter the extended area and head to the bottom right corner to the basement area. Head north to find the Steelixite.

Sceptilite, Blazikenite, Swampertite
Buy from the old man near Fallarbor Town.

Abomasite
Route 123. Go behind the Berry Master's house where the berries are. In the top left corner will be the Abomasite.

Aerodactylite
Go to Meteor Falls, and enter the extended area by using Waterfall. Walk to the bottom right and climb down the ladder. Head to the top left corner and climb up the ladder. Go up the slope. Now go down the slope and stay on the left side. At the last plateau, you will find the Aerodactylite by two rocks.

Ampharosite
Talk to Wattson in the center of Mauville City and go to New Mauville. The Ampharosite will be in the top right corner.

Charizardite X
Go to Fiery Path. You need a Pokémon with Strength. Charizardite X is at the bottom left corner.

Charizardite Y
Go to Scorched Slab and the Charizardite Y will be at the bottom left of the second floor.

Gardevoirite
Go to Verdanturf Town and talk to Wanda in Wally's Uncle's house to get the Gardevoirite.

Houndoominite
Bottom right corner of the sand area in Lavaridge Town

Kangaskhanite
Go to Pacifidlog Town and the Kangaskhanite will be behind the sign beside the Pokémon Center.

Loppunite
Talk to the business man twice in the second floor of Mauville City.

Mewtwonite Y
Outside the Pokémon League

Mewtwonite X
Go to the left corner of Littleroot Town after beating the Delta Episode.

Tyranitarite
Go to Jagged Pass and go on the bottom right slope to find the Tyranitarite.

Scizorite
Located at the top right section of Petalburg Woods.

Venusaurite
Located in the high grass of Route 119, a little bit south of the house.

Cameruptite/Sharpedonite
Cameruptite is found at the Battle Resort in Omega Ruby. Sharpedonite is found at the Battle Resort in Alpha Sapphire. The other Mega Stone can be found in the Team Magma/Aqua Hideout in the Delta Episode.

Audinite
You will find Looker who has amnesia on the right side of the Battle Resort. Tell him he is in Hoenn. Find him again in a house to get the Audinite.

Gengarite
On the left of the Battle Resort, enter an emptty cabin and find the Gengarite.

Blastoisinite
Go to Slateport City and sail to Lilycove City. You can explore the SS Tidal. Head to the right to the next section. You will find the Blastoininite.

Galladite
Talk to Prof. Cozmo in his house in Fallarbor Town after the Delta Episode. He will give you the Galladite.

Salamencite
Talk to the old lady at Meteor Falls

Latiasite/Latiosite
The megs stone for the Lati you got from Steven is held on your Lati. After beating the Delta Episode, talk to your mom and get the other Mega Stone.

Metagrossite
Beat Steven a second time at the Pokémon League.

Diancite
Take Diancie to any Pokémon Center. Tell the man who comes in that he can have your Diancie. Someone will give you the Diancite.