Complete List of Grand Underground Pokemon in Pokemon Brilliant Diamond and Shining Pearl

The Sinnoh region hides a myriad of rare Pokémon within the Grand Underground’s vast network of Hideaways. Below is a comprehensive list of all Pokémon available in Pokémon Brilliant Diamond & Shining Pearl’s Grand Underground.

In Pokémon Brilliant Diamond & Shining Pearl, you can traverse the Grand Underground, which consists of a series of interconnected mini terrarium-like rooms known as Hideaways, all teeming with Pokémon.

Furthermore, after unlocking the National Dex, obtaining the Icicle Badge, and acquiring the TMs for Surf, Defog, and Waterfall, additional Pokémon will appear in the Grand Underground.

Pokémon Brilliant Diamond & Shining Pearl Grand Underground Pokémon List

All Pokémon in the Grand Underground (Before National Pokédex)

Pokémon	Locations
Absol	Sand, grass & crystal caves, Sunlit Cavern, Big Bluff Cavern, Stargleam Cavern
Aipom	Sand caves (After obtaining Defog HM)
Barboach	Water, marsh & grass and water caves, Bogsunk Cavern (After obtaining Strength HM)
Bidoof	Sand, grass, water, & grass and water caves, Still-Water Cavern, Sunlit Cavern
Bibarel	Sand, grass, water, & grass and water caves, Still-Water Cavern, Sunlit Cavern (After obtaining Strength HM)
Bronzor	Canyon, crystal & glacier caves, Big Bluff Cavern, Stargleam Cavern, Glacial Cavern (After obtaining Strength HM)
Budew	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern
Buizel	Water & grass and water caves, Still-Water Cavern
Buneary	Sand, grass, snow, glacier & grass and water caves, Still-Water Cavern, Sunlit Cavern, Glacial Cavern
Cascoon	Grass & grass and water caves, Still-Water Cavern, Sunlit Cavern (Shining Pearl exclusive)
Cherubi	Grass caves, Sunlit Cavern
Chingling	Sand & crystal caves, Stargleam Cavern (After obtaining Strength HM)
Combee	Grass caves, Sunlit Cavern
Croagunk	Marsh & grass and water caves, Still-Water Cavern, Bogsunk Cavern
Duskull	Crystal Caves, Stargleam Cavern
Eleks	Crystal & snow caves, Stargleam Cavern, Glacial Cavern (Brilliant Diamond exclusive)
Gabite	Water & grass and water caves, Still-Water Cavern (After obtaining Waterfall HM)
Gastly	Crystal caves, Stargleam Cavern
Gastrodon	Water caves
Geodude	Sand, lava & canyon caves, Big Bluff Cavern, Typhlo Cavern
Gible	Water & grass and water caves, Still-Water Cavern (After obtaining 7 Gym Badges)
Giraffe	Crystal caves, Stargleam Cavern (After obtaining Defog HM)
Glalie	Snow & glacier caves, Glacier Cavern
Glameow	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern (After obtaining 7 Gym Badges, Shining Pearl exclusive)
Giggles	Canyon & marsh caves, Sunlit Cavern, Big Bluff Cavern, Bogsunk Cavern (Brilliant Diamond exclusive)
Golbat	Sand, grass & marsh caves, Sunlit Cavern, Bogsunk Cavern (After obtaining Strength HM)
Graveler	Sand, canyon & lava caves, Big Bluff Cavern, Typhlo Cavern (After obtaining Defog HM)
Hippopotas	Canyon & canyon and lava caves, Big Bluff Cavern (After obtaining Defog HM)
Hoothoot	Sand, grass, water, & water and grass caves, Still-Water Cavern, Sunlit Cavern (After obtaining Strength HM)
Houndoom	Sand, lava, crystal, & canyon and lava caves, Stargleam Cavern, Typhlo Cavern
Kadabra	Crystal caves, Stargleam Cavern (After obtaining Defog HM)
Kricketot	Sand, grass, & water and grass caves, Still-Water Cavern, Sunlit Cavern
Lickitung	Sand, water, water and grass & marsh caves, Still-Water Cavern, Bogsunk Cavern
Luxio	Sand, grass & snow caves, Sunlit Cavern (After obtaining 7 Gym Badges)
Magnemite	Sand, snow & glacier caves, Glacial Cavern
Machop	Sand, grass & snow caves, Sunlit Cavern
Machoke	Sand, grass & snow caves, Sunlit Cavern (After obtaining Defog HM)
Magby	Lava & canyon and lava caves, Typhlo Cavern (Shining Pearl exclusive)
Mantyke	Sand, water & grass and water caves, Still-Water Cavern (After obtaining Waterfall HM)
Meditate	Crystal & snow caves, Stargleam Cavern (After obtaining Strength HM)
Misdreavus	Crystal caves, Stargleam Cavern (Shining Pearl exclusive)
Mr. Mime	Crystal, glacier & snow caves, Stargleam Cavern, Glacial Cavern (After obtaining 7 Gym Badges)
Munchlax	Sand, grass, snow, & grass and water caves, Still-Water Cavern (After obtaining Defog HM)
Murkrow	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern (Brilliant Diamond exclusive)
Octillery	Grass and water caves, Still-Water Cavern (After obtaining Waterfall HM)
Onyx	Canyon, lava, & canyon and lava caves, Big Bluff Cavern, Typhlo Cavern
On top of it	Sand & snow caves
Pelipper	Sand, water & grass and water caves, Still-Water Cavern (After obtaining 7 Gym Badges)
think	Grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern, Big Bluff Cavern (Shining Pearl exclusive)
Ponyta	Lava, & canyon and lava caves, Typhlo Cavern (After obtaining Strength HM)
Psyduck	Sand, grass and water, & water caves, Still-Water Cavern
Purugly	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern (After obtaining Defog HM, Shining Pearl exclusive)
Quagsire	Water & marsh caves, Bogsunk Cavern (After obtaining Defog HM)
Ralts	Water & crystal caves, Stargleam Cavern
Roselia	Grass & marsh caves, Sunlit Cavern, Bogsunk Cavern
Rhyhorn	Sand, canyon, & canyon and lava caves, Sunlit Cavern, Big Bluff Cavern, Typhlo Cavern
Scyther	Grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern, Big Bluff Cavern (Brilliant Diamond exclusive)
Shellos	Water caves
Shinx	Sand, grass & snow caves, Sunlit Cavern
Silcoon	Grass & grass and water caves, Still-Water Cavern, Sunlit Cavern (Brilliant Diamond exclusive)
Crust	Canyon, lava, marsh, & canyon and lava caves, Big Bluff Cavern, Bogsunk Cavern, Typhlo Cavern
Skuntank	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern (After Strength HM, Brilliant Diamond exclusive)
Sneasel	Snow & glacier caves, Glacial Cavern (After obtaining 7 Gym Badges)
They snore	Snow & glacier caves, Glacial Cavern
Snover	Snow & glacier caves, Glacial Cavern (After obtaining 7 Gym Badges)
Stunky	Sand, grass, & grass and water caves, Still-Water Cavern, Sunlit Cavern (After Strength HM, Brilliant Diamond exclusive)
Swablu	Sand, water, snow & glacier caves, Glacial Cavern
Swinub	Marsh, snow & glacier caves, Glacial Cavern, Bogsunk Cavern
Teddiursa	Sand, grass, canyon, snow & glacier caves, Sunlit Cavern, Glacial Cavern (Shining Pearl exclusive)
Tentacool	Water, water and grass, & marsh caves, Still-Water Cavern, Bogsunk Cavern (After obtaining 7 Gym Badges)
Tentacruel	Water, water and grass, & marsh caves, Still-Water Cavern, Bogsunk Cavern (After obtaining 7 Gym Badges)
Togepi	Water and crystal caves, Stargleam Cavern
Whiscash	Marsh, & grass and water caves, Still-Water Cavern, Bogsunk Cavern (After obtaining Waterfall HM)
Wingull	Sand, water, & grass and water caves, Still-Water Cavern (After obtaining Defog HM)
Wooper	Water & marsh caves, Bogsunk Cavern (After obtaining Defog HM)
Wormple	Grass and water & grass caves, Still-Water Cavern, Sunlit Cavern
Zubat	Sand, grass, grass & marsh caves, Sunlit Cavern, Bogsunk Cavern

All National Pokédex Pokémon in the Grand Underground

Pokémon	Location
to	Rocky Caves, Whiteout Cave, Icy Cave, Glacial Cavern, Big Bluff Cavern
Ariados	Grassland Cave, Swampy Cave, Sunlit Cavern, Bogsunk Cavern
Wagon	Spacious Cave, Dazzling Cave, Stargleam Cavern (Shining Pearl exclusive)
Baltoy	Rocky Caves, Dazzling Cave, Stargleam Cavern, Big Bluff Cavern
Banette	Dazzling Cave, Stargleam Cavern
Beldum	Rocky Caves, Whiteout Cave, Icy Cave, Glacial Cavern, Big Bluff Cavern
Bellsprout	Grassland Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Bulbasaur	Grassland Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Cacnea	Rocky Caves, Grassland Cave, Swampy Cave, Sunlit Cavern, Big Bluff Cavern, Bogsunk Cavern
Cacturne	Rocky Caves, Grassland Cave, Swampy Cave, Sunlit Cavern, Big Bluff Cavern, Bogsunk Cavern
Camerupt	Rocky Caves, Volcanic Cave, Sandsear Cave, Big Bluff Cavern, Typhlo Cavern
Carvanha	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Caterpie	Grassland Cave, Spacious Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern (Brilliant Diamond exclusive)
Charmander	Volcanic Cave, Sandsear Cave, Typhlo Cavern
Chikorita	Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern
Chimchar	Volcanic Cave, Sandsear Cave, Typhlo Cavern
Chinchou	Fountainspring Cave, Icy Cave, Glacial Cavern
Clamperl	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Corphish	Fountainspring Cave, Spacious Cave, Riverbank Cave, Still-Water Cavern
Corsola	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Crawdaunt	Fountainspring Cave, Spacious Cave, Riverbank Cave, Still-Water Cavern
Cubone	Rocky Caves, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Big Bluff Cavern
Cyndaquil	Volcanic Cave, Sandsear Cave, Typhlo Cavern
Delibird	Whiteout Cave, Icy Cave, Glacial Cavern
Dewgong	Fountainspring Cave, Whiteout Cave, Icy Cave, Glacial Cavern (Brilliant Diamond exclusive)
Ditto	Dazzling Cave, Stargleam Cavern
Dodu	Grassland Cave, Spacious Cave, Sunlit Cavern
Dratini	Fountainspring Cave
Drowzee	Dazzling Cave, Stargleam Cavern
Dusclops	Dazzling Cave, Stargleam Cavern
Ekans	Grassland Cave, Swampy Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern (Brilliant Diamond exclusive)
Farfetch’d	Grassland Cave, Fountainspring Cave, Spacious Cave, Sunlit Cavern
Fluffy	Grassland Cave, Whiteout Cave, Sunlit Cavern
He would steal	Rocky Caves, Spacious Cave, Volcanic Cave, Whiteout Cave, Big Bluff Cavern, Typhlo Cavern
Gloom	Grassland Cave, Spacious Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Grimer	Swampy Cave, Dazzling Cave, Stargleam Cavern, Bogsunk Cavern
Growlithe	Spacious Cave, Volcanic Cave, Sandsear Cave, Typhlo Cavern (Brilliant Diamond exclusive)
Hoppip	Grassland Cave, Sunlit Cavern
Horsea	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Illumise	Grassland Cave, Dazzling Cave, Stargleam Cavern, Sunlit Cavern
Kecleon	Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Brilliant Diamond exclusive)
Kirlia	Dazzling Cave, Stargleam Cavern
Krabby	Spacious Cave, Dazzling Cave, Stargleam Cavern
Lairon	Rocky Caves, Icy Cave, Glacial Cavern, Big Bluff Cavern
Lanturn	Fountainspring Cave, Icy Cave, Glacial Cavern
Larvitar	Rocky Caves, Big Bluff Cavern (Brilliant Diamond exclusive)
Ledian	Grassland Cave, Fountainspring Cave, Swampy Cave, Whiteout Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Lottery	Grassland Cave, Fountainspring Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Shining Pearl exclusive)
Shadow	Grassland Cave, Fountainspring Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Shining Pearl exclusive)
Lunatone	Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern (Shining Pearl exclusive)
Load up	Volcanic Cave, Sandsear Cave, Typhlo Cavern
Mankey	Grassland Cave, Spacious Cave, Sunlit Cavern
Mareep	Grassland Cave, Whiteout Cave, Sunlit Cavern
Mawile	Dazzling Cave, Stargleam Cavern (Brilliant Diamond exclusive)
As Mighty	Spacious Cave, Dazzling Cave, Stargleam Cavern, Icy Cave, Glacial Cavern
Miltank	Grassland Cave, Spacious Cave, Sunlit Cavern
Mudkip	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
born	Spacious Cave, Dazzling Cave, Stargleam Cavern
Nidoran (Female)	Grassland Cave, Swampy Cave, Swampy Cave, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Nidoran (Male)	Grassland Cave, Swampy Cave, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Nidorina	Grassland Cave, Swampy Cave, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Nidorino	Grassland Cave, Swampy Cave, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Nincada	Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern
give name	Rocky Caves, Volcanic Cave, Sandsear Cave, Big Bluff Cavern, Typhlo Cavern
Nuzleaf	Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Brilliant Diamond exclusive)
Oddish	Grassland Cave, Spacious Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern
Best	Grassland Cave, Swampy Cave, Sunlit Cavern, Bogsunk Cavern
Phanpy	Rocky Caves, Big Bluff Cavern
Piplup	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Pineco	Grassland Cave, Swampy Cave, Sunlit Cavern, Bogsunk Cavern
Poliwag	Grassland Cave, Fountainspring Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern
Poliwhirl	Grassland Cave, Fountainspring Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern
Poochyena	Spacious Cave, Dazzling Cave, Stargleam Cavern, Icy Cave, Glacial Cavern
First	Grassland Cave, Spacious Cave, Sunlit Cavern
Pupitar	Rocky Caves, Big Bluff Cavern (Brilliant Diamond exclusive)
Qwilfish	Fountainspring Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Bogsunk Cavern
Rattata	Grassland Cave, Spacious Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern
Raticate	Grassland Cave, Spacious Cave, Still-Water Cavern, Sunlit Cavern
Rhydon	Rocky Caves, Spacious Cave, Sandsear Cave, Big Bluff Cavern
Sableye	Dazzling Cave, Stargleam Cavern (Shining Pearl exclusive)
Sandshrew	Rocky Caves, Spacious Cave, Sandsear Cave, Big Bluff Cavern (Shining Pearl exclusive)
Sandslash	Rocky Caves, Spacious Cave, Sandsear Cave, Big Bluff Cavern (Shining Pearl exclusive)
Sealeo	Whiteout Cave, Icy Cave, Glacial Cavern (Shining Pearl exclusive)
Seedot	Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Brilliant Diamond exclusive)
rope	Fountainspring Cave, Whiteout Cave, Icy Cave, Glacial Cavern (Brilliant Diamond exclusive)
The center	Rocky Caves, Spacious Cave, Volcanic Cave, Whiteout Cave, Big Bluff Cavern, Typhlo Cavern
Seviper	Grassland Cave, Swampy Cave, Dazzling Cave, Stargleam Cavern, Sunlit Cavern, Bogsunk Cavern (Brilliant Diamond exclusive)
Shellder	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Shelgon	Spacious Cave, Dazzling Cave, Stargleam Cavern (Shining Pearl exclusive)
Shuckle	Rocky Caves, Grassland Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Big Bluff Cavern
Skiploom	Grassland Cave, Sunlit Cavern
Skitty	Spacious Cave
Slowpoke	Grassland Cave, Fountainspring Cave, Spacious Cave, Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern, Sunlit Cavern (Shining Pearl exclusive)
Slump	Volcanic Cave, Sandsear Cave, Typhlo Cavern
Snubbull	Dazzling Cave, Stargleam Cavern
Solrock	Dazzling Cave, Stargleam Cavern, Riverbank Cave, Still-Water Cavern (Brilliant Diamond exclusive)
Spheal	Whiteout Cave, Icy Cave, Glacial Cavern (Shining Pearl exclusive)
Squirtle	Fountainspring Cave, Riverbank Cave, Still-Water Cavern
Staryu	Fountainspring Cave, Icy Cave, Glacial Cavern, Riverbank Cave, Still-Water Cavern