Altering Cave

The Altering Cave (Japanese: へんげのどうくつ Changing Cave) is found in Pokémon Emerald, FireRed and LeafGreen. At first only Zubat can be found in this cave, but by using Mystery Gift with other players, other Pokémon such as Houndour and Stantler can be unlocked.

Differences between games

In Pokémon Emerald, Altering Cave is found on Route 103, on the east bank of the pond that passes through the center of the route.

Altering Cave in Pokémon Emerald.

Pokémon		Games			Location	Levels	Rate
	Zubat	FR	LG	E	Walking
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.

Pokémon		Games			Location
	Mareep	FR	LG	E	Walking
	Aipom	FR	LG	E	Walking
	Pineco	FR	LG	E	Walking
	Shuckle	FR	LG	E	Walking
	Teddiursa	FR	LG	E	Walking
	Houndour	FR	LG	E	Walking
	Stantler	FR	LG	E	Walking
	Smeargle	FR	LG	E	Walking
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.

All of the exclusive Pokémon can be found in the extended area of the Safari Zone in Emerald, except for Smeargle, which is found in Artisan Cave at the Battle Frontier.

Sevii Islands
Islands:	Knot • Boon • Kin • Floe • Chrono • Fortune • Quest • Navel • Birth

Towns:	One Island • Two Island • Three Island • Four Island • Five Island • Six Island • Seven Island

Routes:	Treasure Beach • Kindle Road • Cape Brink • Bond Bridge • Three Isle Port • Three Isle Path • Resort Gorgeous • Water Labyrinth • Five Isle Meadow • Memorial Pillar • Outcast Island • Green Path • Water Path • Ruin Valley • Trainer Tower • Canyon Entrance • Sevault Canyon • Tanoby Ruins

Landmarks:	Mt. Ember • Berry Forest • Icefall Cave • Rocket Warehouse • Lost Cave • Altering Cave • Pattern Bush • Dotted Hole • Tanoby Key • Tanoby Chambers

Hoenn
Gym:	Rustboro City • Dewford Town • Mauville City • Lavaridge Town Petalburg City • Fortree City • Mossdeep City • Sootopolis City

Other:	Littleroot Town • Oldale Town • Slateport City • Verdanturf Town • Fallarbor Town • Lilycove City • Pacifidlog Town

League:	Ever Grande City

Routes:	101 • 102 • 103 • 104 • 105 • 106 • 107 • 108 • 109 • 110 • 111 • 112 • 113 • 114 • 115 • 116 • 117 • 118 119 • 120 • 121 • 122 • 123 • 124 • 125 • 126 • 127 • 128 • 129 • 130 • 131 • 132 • 133 • 134 • Underwater

Landmarks:	Petalburg Woods • Rusturf Tunnel • Island Cave • Granite Cave • Abandoned Ship • Seaside Cycling Road • New Mauville • Desert • Desert Ruins • Mirage Tower • Trainer Hill • Fiery Path • Jagged Pass • Mt. Chimney • Desert Underpass • Meteor Falls • Weather Institute • Scorched Slab • Ancient Tomb • Safari Zone • Mt. Pyre • Shoal Cave • Aqua Hideout • Magma Hideout • Mossdeep Space Center • Seafloor Cavern • Cave of Origin • Sky Pillar • Victory Road • Sealed Chamber • Battle Tower/Frontier • Altering Cave • Mirage Island • Southern Island • Marine Cave • Terra Cave