So what's up with this area? Turbine's developers have put together a video to introduce the zone and explain the main storyhook behind it. It appears that Saruman has fused an ancient relic with a giant, creating a nasty foe that will be the main antagonist as players travel through Wildermore. Don't fret, as there are good guys as well attempting to fight the snow powers that be.
Check out the dev tour after the jump, and if you use the LotRO forums regularly, you may want to read up on the forum consolidation that's about to take place.