What are the places to EV train in heart gold?

Question

question says it all

Answer 1

HP:
Route 15 (Night Walk): Nidorina(2), Noctowl(2), Quagsire(2), Chansey(2)
Cliff's Edge Gate (Surf): Wooper(1) and Quagsire(2)
National Park (Night Walk): Hoothoot(1)
Ruins of Alph (Surf): Wooper(1) and Quagsire(2)
Slowpoke's Well (Surf): Slowpoke(1)
Celadon City (Super Rod): Grimer (1), Muk (2)

Atk:
route 42 (Surf): Goldeen (1) and Seeking (2)

Def:
route 45 (HeartGold/ Walk): Graveler(2), Geodude(1), and Gligar(1)
route 45 (SoulSilver/ Walk): Graveler(2), Geodude(1), and Skarmory(2)
Dark Cave (Violet City side): Geodude (1)

SpA:
Bell/Sprouttower (Night walk): Ghastly(1)
Ruins of Alph (Walk): Natu(1)
Route 6 (Surf): Psyduck (1), Golduck (2)
Route 38 (walk with magnet pull): Magnemites (1)
Route 43 (Day Walk): Flaffy(2), Girafraig(2), Mareep(1)

SpD:
route 34/41 (Surf): Tentacool(1) and Tentacruel (2)

Spe:
Route 7 (Walk in SoulSilver): Spearow(1), Rattata(1), Raticate(2), Vulpix(1), Meowth(1), Persian(2)
Route 7 (Walk in HeartGold): Rattata(1), Spearow(1), Raticate(2)
Route 9 (Morning/Day Walk): Rattata(1), Raticate(2), Spearow(1), Fearow(2)
Route 9 (Night Walk): Rattata(1), Raticate(2)route 30/31 (surf): Poliwhirls(2) and Poliwags(1)
route 33 (night): Zubats(1) and Rattata(1)
Diglett's cave (walk): Digglett(1) and Dugtrio (2)
Dark Cave (Surf, Violet City side)-Magikarp (1)

^_^ hope it helps.

Comments

(20 minutes from when I started reading your answer) Wow, long (and great) answer.

Answer 2

There is no one place to EV train a Pokemon, simply due to the fact that every opponent you meet will give you EVs. There are some places that are better than others though. All credit to PM for these locations.
HP http://pokemondb.net/pokebase/1422/where-can-i-ev-train-my-pokemon-for-hp
Attack http://pokemondb.net/pokebase/1425/where-can-i-ev-train-my-pokemon-for-attack
Defense http://pokemondb.net/pokebase/1434/where-can-i-ev-train-my-pokemon-for-defense
Special Attack http://pokemondb.net/pokebase/1431/where-can-i-ev-train-my-pokemon-for-special-attack
Special Defense http://pokemondb.net/pokebase/1437/where-can-i-ev-train-my-pokemon-for-special-defense
Speed http://pokemondb.net/pokebase/1440/where-can-i-ev-train-my-pokemon-for-speed

Comments

I was to slow!

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Slowly will suit you well :P

Answer 3

Attack: Goldeen/Seaking (Surf north of Cerulean)
Defense: Geodude/Graveler (South of Blackthorn)
Speed: Diglett/Dugtrio (Diglett Cave)
Special Attack: Psyduck/Golduck (Surf north of Vermillion)
Special Defense: Tentacool/Tentacruel (Surf near Cianwood City)
Health: Grimer (Surf in Celadon City)

Comments

why didn't I see the other answers XD

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You deserve an upvote :D

Answer 4

There is one place that is good, Mount Silver. Dolphan raises attack and defence, while Onix, Tangela, and Graveler raises defense, Golbat, Ponyta, Rapidash, and Sneasel raises speed, Phanpy and Quagsire raises HP, Golduck raises SAttack, Misdreavus raises SDefense.
Mt. Silver has it all, but you need Rock Climb to get to most of the listed Pokemon. Most other places don't have all stats like Mt. Silver, so you'd have look around for EVs.

Comments

wow, didn't think of Mt. Silver, good answer