you talk to the fishing man and he gives you one. Hope it helps:)
in a lake towards the top right of the johto map
you find the red gyaradoes in the Lake Of Rage... but it is very hard to find just like all the other shiny poke'mon... and yes the red gyaradoes is a shiny poke'mon.
Team Rocket doesn't appear at the Lake of Rage, but there is a bunch of Gyrado's that were forced to evolve by Team Rocket, if that's what you're looking for. At the Lake of Rage, you have to battle or catch the Red Gyarados, and then meet Lance, the Champion of Johto.
The Lake of Rage floods when it rains in game.
Lake of Rage in Soulsilver and Heartgold
The lake of rage, the fishing man
go to the lake of rage
In the house you first see after entering the Lake of Rage.
by defeating the red Gyrados either by going in the water using surf using youre fishing rod
lake of rage
at the lake of rage
in a lake towards the top right of the johto map
You get him at the LAKE OF RAGE north of maghony town.
Either evolve Magikarp or catch him at Lake Rage.
After you beat the red garidose at the lake of rage.
Lake of Rage, or Celadon Game Corner for 5000. I'd get it from the Lake. Enjoy!
You can battle the Red Gyarados at the Lake of Rage, which is north of Mahogany Town. You'll get the Red Scale after battling it. You can also find regular Gyarados by surfing at the Lake of Rage, as well as fishing with the Good Rod and Super Rod at the Lake of Rage and Fuchsia City.