by defeating the red Gyrados either by going in the water using surf using youre fishing rod
Defeat the red gyarados in Mahagony Town in the Lake of Rage.
In the house you first see after entering the Lake of Rage.
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.
You have to beat the lake rage mission.
lake of rage
You must must do the mission at the Lake of Rage. You must catch or defeat the Gyarados. Then you go to the rocket base and finish of the Rocket leaders with Lance.
at the lake of rage
go to the lake of rage
in a lake towards the top right of the johto map
idk about silver but in crystal u have 2 go 2 lake of rage... beat the red gyarados... defeat team rocket... then u can get in the gym. good luck!
first, you have to catch/defeat the red gyarados in the lake of rage, then you talk to lance and fly back to mahogony, then you defeat the electrodes and team rocket members in the souvenir shop, then you beat the gym, then you defeat the team rocket base at the radio tower in goldenrod, the you can go past the ragecandy bar dude
You get him at the LAKE OF RAGE north of maghony town.