Where can i find the north pole altar on monster racers

Hi I'm also currently trying to find the altars
I found the North Pole Altar today
Keep going up until you reach a map that looks like a triangle
then take the bottom left exit and keep going
It's very tricky so be careful. you will run into a lot of monsters so try not to avoid them.. along the way you can find a mordax the monster tatyana uses and it's very good. Good Luck :)