"I don't think that's possible anymore," Nym said gloomily, and she felt her blood freeze. "No, not for the reason you think. You haven't been outside of Winterfell, but I have. Here inside, the guardsmen clear the snow and stack it in piles, but outside, there's nobody to clear it up. The snows are as high as I am, and all the roads are buried underneath. Unless you're willing to risk a journey on those infernal contraptions called bear-paws, there's no way south."