Thunder Gap is an east west pass in the Thunder Peaks mountain range that separates Cormyr in the west from neighbouring Sembia in the east. The East Way, a major road, runs through it.[1]


  1. Ed Greenwood and Jeff Grubb (April 1998). Cormyr: A Novel (Paperback). (Wizards of the Coast), p. 356. ISBN ISBN 0-7869-0710-X.