Bogsunk Cavern 底なし沼の大空洞 Great Bottomless Marsh Hollow "Wild Missingno. appeared!"
Recommended Level:	{{{reclvl}}}
Map description:	{{{mapdesc}}}
Location:	Within theGrand Underground
Region:	Sinnoh
Generations:	VIII
Location of Bogsunk Cavern inSinnoh.
Pokémon world locations

TheBogsunk Cavern (Japanese:底なし沼の大空洞Great Bottomless Marsh Hollow) is a type of hideaway seen in theGrand Underground. It can only be accessed after theplayer obtains theExplorer Kit inEterna City from theUnderground Man, and features Pokémon thatroam the cave freely, instead of being found intall grass.

Geography

Bogsunk Cavern is a large, bog-like, moss covered cavern with heavy flora, containing a lake. The water can beSurfed on to encounter Pokémon visible in the water. Some rocks and plants are taller than theplayer, and must be navigated around.

Items

Item		Location	Games
	TM19 (Giga Drain)	Bogsunk Cavern	BD  SP
	Dusk Stone	Bogsunk Cavern	BD  SP

Pokémon

With each additional badge earned by the player, the levels of wild Pokémon are increased.

Visible Encounters

After the player fulfills a particular objective during their adventure, another group of Pokémon are added to the pool of possible encounters. The spawn rates for certaintypes are influenced by the active "Statue Effect" applied by a player'sSecret BaseStatues.

Pokémon	Games						Location	Levels	Rate
Base Encounters
Zubat	BD			SP			Cave	16-63	Varies
Roselia	BD			SP			Cave	16-63	Varies
Skorupi	BD			SP			Cave	16-63	Varies
Croagunk	BD			SP			Cave	16-63	Varies
Added after obtainingTM96 (Strength)
Golbat	BD			SP			Cave	25-63	Varies
Barboach	BD			SP			Cave	25-63	Varies
Added after obtainingTM97 (Defog)
Wooper	BD			SP			Cave	25-63	Varies
Quagsire	BD			SP			Cave	25-63	Varies
Added after earning theIcicle Badge
Tentacool	BD			SP			Cave	42-63	Varies
Tentacruel	BD			SP			Cave	42-63	Varies
Added after obtainingTM99 (Waterfall)
Whiscash	BD			SP			Cave	50-63	Varies
Added after obtaining theNational Pokédex
Bulbasaur	BD			SP			Cave	16-63	Varies
Caterpie	BD			SP			Cave	16-63	Varies
Weedle	BD			SP			Cave	16-63	Varies
Ekans	BD			SP			Cave	16-63	Varies
Nidoran♀	BD			SP			Cave	16-63	Varies
Nidorina	BD			SP			Cave	16-63	Varies
Nidoran♂	BD			SP			Cave	16-63	Varies
Nidorino	BD			SP			Cave	16-63	Varies
Oddish	BD			SP			Cave	16-63	Varies
Gloom	BD			SP			Cave	16-63	Varies
Paras	BD			SP			Cave	16-63	Varies
Venonat	BD			SP			Cave	16-63	Varies
Venomoth	BD			SP			Cave	16-63	Varies
Bellsprout	BD			SP			Cave	16-63	Varies
Weepinbell	BD			SP			Cave	16-63	Varies
Grimer	BD			SP			Cave	16-63	Varies
Weezing	BD			SP			Cave	16-63	Varies
Tangela	BD			SP			Cave	16-63	Varies
Ledian	BD			SP			Cave	16-63	Varies
Ariados	BD			SP			Cave	16-63	Varies
Pineco	BD			SP			Cave	16-63	Varies
Qwilfish	BD			SP			Cave	16-63	Varies
Cacnea	BD			SP			Cave	16-63	Varies
Cacturne	BD			SP			Cave	16-63	Varies
Zangoose	BD			SP			Cave	16-63	Varies
Seviper	BD			SP			Cave	16-63	Varies
Tropius	BD			SP			Cave	16-63	Varies
Tangrowth	BD			SP			Cave	16-63	Varies
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

Rare Spawns

Rare Spawns run concurrently to the existing encounter table, and use independent percentages for their rates.

Pokémon	Games						Location	Levels	Rate
Lickitung	BD			SP			Cave	16-63	40%
Lickitung	BD			SP			Cave	16-63	50%
Gligar	BD			SP			Cave	16-63	20%
Swinub	BD			SP			Cave	16-63	40%
Swinub	BD			SP			Cave	16-63	50%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

In other languages

Grand Underground Hideaways inPokémon Brilliant Diamond and Shining Pearl
Caves
Dazzling Cave •Fountainspring Cave •Grassland Cave •Icy Cave Riverbank Cave •Rocky Cave •Sandsear Cave •Spacious Cave Swampy Cave •Volcanic Cave •Whiteout Cave
Caverns
Big Bluff Cavern •Bogsunk Cavern •Glacial Cavern •Stargleam Cavern Still-Water Cavern •Sunlit Cavern •Typhlo Cavern

Sinnoh
Settlements Twinleaf Town •Sandgem Town •Jubilife City •Oreburgh City •Floaroma Town •Eterna City •Hearthome City Solaceon Town •Veilstone City •Pastoria City •Celestic Town •Canalave City •Snowpoint City •Sunyshore City Pokémon League •Fight Area •Survival Area •Resort Area Routes 201 •202 •203 •204 •205 •206 •207 •208 •209 •210 •211 •212 •213 •214 •215 216 •217 •218 •219 •220 •221 •222 •223 •224 •225 •226 •227 •228 •229 •230 Landmarks Lake Verity (Lakefront) •Oreburgh Gate •Oreburgh Mine •Oreburgh Mining Museum Global Terminal/Global Wonder Station •Ravaged Path •Floaroma Meadow •Valley Windworks •Eterna Forest Old Chateau •Underground/Grand Underground •Wayward Cave •Mount Coronet •Amity Square •Lost Tower Hallowed Tower •Solaceon Ruins •Maniac Tunnel •Lake Valor (Lakefront) •Great Marsh •Pokémon Mansion Trophy Garden •Fuego Ironworks •Iron Island •Lake Acuity (Lakefront) •Spear Pillar •Victory Road Pal Park/Ramanas Park •Contest Hall •Battle Zone •Battle Park •Battle Tower/Battle Frontier •Stark Mountain Snowpoint Temple •Spring Path •Sendoff Spring •Turnback Cave •Fullmoon Island Newmoon Island •Seabreak Path •Flower Paradise •Hall of Origin Access to Distortion World See also Hisui

This article is part ofProject Locations, aBulbapedia project that aims to write comprehensive articles on every location in the Pokémon world.

• Locations
• Sinnoh locations
• Brilliant Diamond and Shining Pearl locations
• Caves