fire types and poison if you use flying it will be super effective but the ice pokemon will beat you easy I used drapion and infernape
You need 2 defeat da Snowpoint Gym leader.
You need to defeat the gym leader candice.I suggest using fire types.
You need the HM rock climb to enter lake acuity. But you can't use that HM until you defeat the gym leader Candice in snowpoint city. You can find HM rock climb on the way to snowpoint city just lying on the ground.
To get into the Temple, you have to have beaten the gym leader and you need the National Pokedex.
On fight area after you defeat Pokemon league. You need to go o snowpoint city and talk to the sailor in there. He'll bring you there.
You need to become the champion then when you enter the gym leader will say that she had a word with Cynthia and that you can go in
You need REALLY strong Pokemon the defeat the leader. His minions are easy. The leader has three Pokemon and they are all fire.
You need to defeat the elite 4 and Cythia and then go to snowpoint city and you can go on the boat just down from there
you need to defeat pastoria city's gym leader
I can't remember but i think you need to go to the snowpoint lake. If you have problems try ine of these websites: www.serebii.net or http://pokemon.marriland.com/diamond_pearl/walkthrough...
You need to defeat the mahogany gym leader then prof.elm will phone you and then defeat team rocket
It is at Snowpoint city. You have to beat team galactic in veilstone first. You also need defog.