From Protector of the Grey House:
Charlie stood at the bottom of the steps, wondering where the hell the door was. He and the other werewolves were in a cabin near Lake Tahoe, high in the mountains. There had been five women in the cabin, all carrying guns. Though the women did use the guns, the bullets were not silver. Blitzkrieg, the wolves won easily. The wolves searched the house but found no trace of Natalia. This is where she called from two days ago, though and had to be here. It had been a hard place to find. No one owned it; it didn’t exist on any map. They had to follow the phone and power cables from a nearby town. Charlie was frantic the whole time, but they found the place.