How do you find the last gym in Pokemon Soul Silver?

Question

Ok,I'm just asking this for my friend.She can't get to the last gym so I'll just ask for directions.
The directions need to be based from Price's gym to the last.

p.s. link NEEDED

Answer 1

http://www.youtube.com/watch?v=9O6n_eGrgEo

hg and ss have the same path

It's the ice cave, watch.