Westfold
From Tolkien Gateway
The westernmost region of Rohan, lying immediately to the east of the Gap of Rohan, and in which lay Helm's Deep. Its border with the Eastfold was marked by the course of the Snowbourn River.
The westernmost region of Rohan, lying immediately to the east of the Gap of Rohan, and in which lay Helm's Deep. Its border with the Eastfold was marked by the course of the Snowbourn River.