Pokémon Swarms are mass outbreaks that were introduced in Generation II. Swarms allow the player to capture Pokémon that are quite rare or unobtainable.
Generation II
Some trainers will give their phone numbers to alert the player if a swarm is taking place.
Pokémon
Pokémon | Caller | Route |
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Ralph | Route 32 |
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Anthony | Route 33 |
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Arnie | Route 35 |
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Chad | Route 38 |
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Wilton | Route 44 |
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Parry | Route 45 |
Generation III
In Generation III, swarms can be determined by checking the television.
Pokémon
Pokémon | Location | Version |
---|---|---|
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Route 102 and Route 114 | E |
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Route 114 | R |
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Route 114 | E |
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Route 116 | R/S/E |
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Route 117 | S/E |
Generation IV
Diamond, Pearl and Platinum
In Diamond, Pearl and Platinum, after defeating the Elite Four and obtaining the National Pokédex, you can visit your rival's (Lucas or Dawn) house in Sandgem Town. Talk to the sibling, and she will tell you where a swarm is located.
Pokémon
Pokémon | Location | Version |
---|---|---|
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Route 201 | D/P/Pt |
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Route 202 | D/P/Pt |
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Route 203 | D/P/Pt |
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Route 206 | D/P |
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Route 206 | Pt |
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Route 207 | D/P/Pt |
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Route 208 | D/P/Pt |
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Route 209 | D/P/Pt |
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Route 213 | D/P |
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Route 214 | D/P/Pt |
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Route 215 | D/P/Pt |
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Route 216 | D/P/Pt |
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Route 217 | D/P |
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Route 218 | D/P/Pt |
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Route 221 | D/P/Pt |
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Route 222 | D/P/Pt |
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Route 224 | D/P/Pt |
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Route 225 | D/P/Pt |
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Route 226 | D/P/Pt |
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Route 227 | D/P/Pt |
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Route 228 | D/P/Pt |
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Route 229 | D/P |
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Route 229 | Pt |
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Route 230 | D/P/Pt |
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Lake Verity | D/P |
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Lake Acuity | D/P |
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Lake Valor | D/P |
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Fuego Ironworks | D/P |
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Valley Windworks | D/P/Pt |
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Eterna Forest | D/P/Pt |
HeartGold and SoulSilver
After beating the game, check Professor Oak's Pokémon Talk on the radio station. Each day, he will say that a Pokémon was spotted in Johto or Kanto.
Pokémon
Pokémon | Location | Version |
---|---|---|
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Kanto Route 1 | HG/SS |
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Kanto Route 3 | HG |
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Kanto Route 3 | SS |
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Kanto Route 9 | HG |
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Kanto Route 9 | SS |
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Kanto Route 12 | HG/SS |
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Kanto Route 13 | HG/SS |
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Kanto Route 19 | HG/SS |
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Kanto Route 25 | HG/SS |
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Kanto Route 27 | HG/SS |
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Johto Route 32 | HG/SS |
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Johto Route 34 | HG/SS |
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Johto Route 35 | HG/SS |
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Johto Route 38 | HG/SS |
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Johto Route 44 | HG/SS |
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Johto Route 45 | HG/SS |
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Johto Route 47 | HG/SS |
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Dark Cave | HG/SS |
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Viridian Forest | HG/SS |
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Mt. Mortar | HG/SS |
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Violet City | HG/SS |
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Vermilion City | HG/SS |
Generation V
After defeating the Elite Four, you can check the message board inside the gates.
Pokémon
Pokémon | Location | Version |
---|---|---|
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Route 1 | B/W |
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Route 2 | B/W |
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Route 3 | B |
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Route 3 | W |
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Route 4 | B/W |
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Route 5 | B/W |
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Route 6 | B |
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Route 6 | W |
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Route 7 | B/W |
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Route 8 | B/W |
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Route 9 | B |
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Route 9 | W |
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Route 10 | B/W |
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Route 11 | B |
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Route 11 | W |
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Route 12 | B/W |
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Route 13 | B/W |
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Route 14 | B/W |
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Route 15 | B/W |
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Route 16 | B/W |
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Route 18 | B/W |
Trivia
- In Generation V, Pokémon Swarms were renamed as Pokémon Outbreaks.
- In Unova, Route 17 is the only route not to have a swarm.