Right next to where you accept the Mission "Searching the Fro-Zone" is the entrance to a cave with alot of Feroxes in it. It also contains Polar Bears though so bring good Armor And Weapons and Potentialy a good Dino. A smaller one is better though since the Feroxes will run towards you to get the element your holding and might get caught in the crossfire if you fight the Polar Bears with a large Dino.

More Ferox Encountering Tips