Mt. Mortar — HeartGold Generations

Every wild Pokémon here, by encounter method.

Mt. Mortar lists 31 Pokémon across 27 encounter methods (grass (b1f), grass (b1f, hoenn sound), grass (b1f, sinnoh sound), grass (b1f, swarm), and more), between level 10 and 40. Between them they cover 15 types: PoisonFlyingNormalFightingRockGroundDarkSteelPsychicGhostFairyGrassIceDragonWater.

Mt. Mortar in other guides

The same area in other ROM hacks on this site. Each one has its own encounter table.

The original game's table for this area:

Opens up at Beat Whitney — Goldenrod City Gym, badge 3.

Grass (B1F) Lv 15-17

B1F

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	15-17	60%
	Rattata	Normal	16	20%
	Machop	Fighting	16	10%
	Geodude rare	RockGround	16	5%
	Raticate rare	Normal	16	5%

Grass (B1F, Hoenn Sound) Lv 15-17

B1F

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	15-17	40%
	Absol	Dark	15-17	20%
	Makuhita	Fighting	16	20%
	Machop	Fighting	16	10%
	Geodude rare	RockGround	16	5%
	Raticate rare	Normal	16	5%

Grass (B1F, Sinnoh Sound) Lv 15-17

B1F

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	15-17	40%
	Bronzor	SteelPsychic	15-17	20%
	Chingling	Psychic	16	20%
	Machop	Fighting	16	10%
	Geodude rare	RockGround	16	5%
	Raticate rare	Normal	16	5%

Grass (B1F, swarm) Lv 15

B1F

	Pokémon	Types	Level
	Zubat	PoisonFlying	15

Grass (Central room) Lv 13-15

Central room

	Pokémon	Types	Level	Rate
	Geodude	RockGround	13-15	50%
	Machop	Fighting	13-15	35%
	Rattata	Normal	14	10%
	Zubat rare	PoisonFlying	14	5%

Grass (Central room, Hoenn Sound) Lv 13-15

Central room

	Pokémon	Types	Level	Rate
	Geodude	RockGround	13	20%
	Machop	Fighting	13-15	25%
	Absol	Dark	13	20%
	Makuhita	Fighting	15	20%
	Rattata	Normal	14	10%
	Zubat rare	PoisonFlying	14	5%

Grass (Central room, Sinnoh Sound) Lv 13-15

Central room

	Pokémon	Types	Level	Rate
	Geodude	RockGround	13	20%
	Machop	Fighting	13-15	25%
	Bronzor	SteelPsychic	13	20%
	Chingling	Psychic	15	20%
	Rattata	Normal	14	10%
	Zubat rare	PoisonFlying	14	5%

Grass (Central room, swarm) Lv 13

Central room

	Pokémon	Types	Level
	Geodude	RockGround	13

Grass (Room above waterfall) Lv 28-32

Room above waterfall

	Pokémon	Types	Level	Rate
	Graveler	RockGround	31	30%
	Machoke	Fighting	32	30%
	Geodude	RockGround	31	20%
	Raticate	Normal	30	10%
	Machop rare	Fighting	28	5%
	Golbat rare	PoisonFlying	30	5%

Grass (Room above waterfall, Hoenn Sound) Lv 28-32

Room above waterfall

	Pokémon	Types	Level	Rate
	Graveler	RockGround	31	20%
	Machoke	Fighting	32	20%
	Absol	Dark	31-32	20%
	Makuhita	Fighting	31	20%
	Raticate	Normal	30	10%
	Machop rare	Fighting	28	5%
	Golbat rare	PoisonFlying	30	5%

Grass (Room above waterfall, Sinnoh Sound) Lv 28-32

Room above waterfall

	Pokémon	Types	Level	Rate
	Graveler	RockGround	31	20%
	Machoke	Fighting	32	20%
	Bronzor	SteelPsychic	31-32	20%
	Chingling	Psychic	31	20%
	Raticate	Normal	30	10%
	Machop rare	Fighting	28	5%
	Golbat rare	PoisonFlying	30	5%

Grass (Room above waterfall, swarm) Lv 31

Room above waterfall

	Pokémon	Types	Level
	Graveler	RockGround	31

Grass (Waterfall room, morning / day) Lv 13-16

Waterfall room

	Pokémon	Types	Level	Rate
	Nosepass	Rock	13	20%
	Sableye	DarkGhost	15	20%
	Mawile	SteelFairy	13	10%
	Aron	SteelRock	15	10%
	Maractus	Grass	14	10%
	Sneasel	DarkIce	14	10%
	Koffing	Poison	14-15	7%
	Grimer	Poison	14	9%
	Spinda rare	Normal	16	4%

Grass (Waterfall room, morning / day, Hoenn Sound) Lv 13-16

Waterfall room

	Pokémon	Types	Level	Rate
	Nosepass	Rock	13	20%
	Sableye	DarkGhost	15	20%
	Absol	Dark	13-15	20%
	Makuhita	Fighting	14	20%
	Koffing	Poison	14-15	7%
	Grimer	Poison	14	9%
	Spinda rare	Normal	16	4%

Grass (Waterfall room, morning / day, Sinnoh Sound) Lv 13-16

Waterfall room

	Pokémon	Types	Level	Rate
	Nosepass	Rock	13	20%
	Sableye	DarkGhost	15	20%
	Bronzor	SteelPsychic	13-15	20%
	Chingling	Psychic	14	20%
	Koffing	Poison	14-15	7%
	Grimer	Poison	14	9%
	Spinda rare	Normal	16	4%

Grass (Waterfall room, night) Lv 13-15

Waterfall room

	Pokémon	Types	Level	Rate
	Sinistea	Ghost	13	21.3%
	Indeedee	PsychicNormal	15	21.3%
	Duraludon	SteelDragon	13	10.6%
	Spiritomb	GhostDark	15	10.6%
	Sneasel (Hisui)	FightingPoison	14	10.6%
	Grimer (Alola)	PoisonDark	14	10.6%
	Spinda	Normal	14	5.3%
	Koffing	Poison	14	9.6%

Grass (Waterfall room, night, Hoenn Sound) Lv 13-15

Waterfall room

	Pokémon	Types	Level	Rate
	Sinistea	Ghost	13	21.3%
	Indeedee	PsychicNormal	15	21.3%
	Absol	Dark	13-15	21.3%
	Makuhita	Fighting	14	21.3%
	Spinda	Normal	14	5.3%
	Koffing	Poison	14	9.6%

Grass (Waterfall room, night, Sinnoh Sound) Lv 13-15

Waterfall room

	Pokémon	Types	Level	Rate
	Sinistea	Ghost	13	21.3%
	Indeedee	PsychicNormal	15	21.3%
	Bronzor	SteelPsychic	13-15	21.3%
	Chingling	Psychic	14	21.3%
	Spinda	Normal	14	5.3%
	Koffing	Poison	14	9.6%

Grass (Waterfall room, swarm) Lv 13

Waterfall room

	Pokémon	Types	Level
	Marill	WaterFairy	13

Surf (Room above waterfall) Lv 15-30

Room above waterfall

	Pokémon	Types	Level	Rate
	Goldeen	Water	15-30	90%
	Seaking	Water	20-30	10%

Surf (Waterfall room) Lv 10-25

Waterfall room

	Pokémon	Types	Level	Rate
	Goldeen	Water	10-25	90%
	Seaking	Water	15-25	10%

Surf (Waterfall room, swarm) Lv 15-25

Waterfall room

	Pokémon	Types	Level
	Goldeen	Water	15-25

Old Rod Lv 10

Waterfall room

	Pokémon	Types	Level	Rate
	Magikarp	Water	10	85%
	Goldeen	Water	10	15%

Good Rod Lv 20

Waterfall room

	Pokémon	Types	Level	Rate
	Magikarp	Water	20	40%
	Goldeen	Water	20	60%

Good Rod (swarm) Lv 20

Waterfall room

	Pokémon	Types	Level
	Goldeen	Water	20

Super Rod Lv 40

Waterfall room

	Pokémon	Types	Level	Rate
	Goldeen	Water	40	70%
	Magikarp	Water	40	20%
	Seaking	Water	40	10%

Super Rod (swarm) Lv 40

Waterfall room

	Pokémon	Types	Level
	Magikarp	Water	40

Trainers here

4 fights here, in story order. ★ marks a gym leader or major battle.

Open in the interactive guide