The official site explores another middle-earth area, one that I have run into on more than one occasion.  Read on for an interesting profile into Gramsfoot:

Mount Gram, nestled at the northwestern edge of the Ettenmoors in the Misty Mountains, has long been an abode of goblins, though their greatest king, Golfimbul, was defeated and slain by Bandobras "Bullroarer" Took at the Battle of the Greenfields hundreds of years ago. Lying at the border of Angmar, Mount Gram has again become a fortress-kingdom of terrible power. Orcs, wargs, goblins, trolls, and other evil creatures now muster there to begin an invasion of Eriador.

To read the full article click here.