team magma's base is before or after the 6th gym it's always before the 7th gym then after you beat Maxie get out of there base in mt chimney(you need to go to the top of mt pyre to get the magma emblem and go mt chimney to open a hole where that magma grunt was)then go to slateport to that submarine explorer place then team aqua steals the sub.
after you get 7 gym badges
You must defeat Team Rocket.
surf at the side of lilycove theres a cave go thru thr n hel be thr and then flee then go to rout 128 and dive after u got the 7 badge and ther is a cave hes at the end ov ther
You know those wailmer blocking the way before you beat the gym leader now that they are cleared you can go straight through that pathway and you will get to Mossdeep City the gym will be locked so you would have to beat team AQUA or team MAGMA.
They are not at the Hideout because i was there and there are there because i was looking for them...so your completley wrong and the door is closed so buddy your wrong.
The Only Way To Get Into The Gym In Viridian City Is You Have To Beat All 7 Of The Other Gym Leaders Along With Beating The Leader Of Team Rocket.....As Long As You Have Strong, High Level Pokemon You Can Beat Him...Hint The Leader Of This Gym Is Also The Leader Of Team Rocket Giovanni.....
you cant you have to beat sunnyshore's gym
the 6th gym is saffron city - enter saffron by obtaining tea from the old lady in celadon and offering it to the guard in the house on route 7. open the gym by defeating team rocket/giovanni in silph co.
You have to go and find the key in the Manson next door (this is for the game Pokemon gold for gbc) go to the lake of rage beat the red gyradose talk to lance help him do the team rocket base in the freaky gift shop and then you can do the ice gym or if you mean kanto blaine's gym was destroyed so go to cinebar islands and surf left to the second entrance to the seaform islands go up the ladders and that's his new gym
halfway down jagged path
BeAT THE TEAM ROCKET GUYS IN GOLDENROD THEN YOU HAVE TO HAVE TO HAVE 7 GYM BADGES
The 7th Gym is on Cinnabar Island.