You have to walk on each square of ice once to de-ice the steps to the next bit. Be careful not to step on the same square twice. Once you have done this three times, you can reach the gym leader and beat him as normal.
Go Tho the Pokemon leque
After beating the 7th Gym leader...
8th gym leader
In the 8th gym. he is the gym leader
Beat the Gym Leader
you beat the gym leader
go and beat the 8th gym
he is near the cave of original
You go to Fortree City to take on on the flying type gym leader!
you have to beat groudon then surf to the middle of the city with the last gym in it
nothing stupid, just find groudon after you beat the 7th gym leader and go to the place where you beat the 8th gym leader .then you will find Steven and he will lead you to a cave and keep on walking until you find groudon.
Beat the 8th Gym leader.
ground/rock will be good
The eighth gym leader is in the underwater city(forget the name) but it is where you fight groudon. after you beat him the gym should be open.