In those days - As soon as she could conveniently fit herself out for the journey.
Hill country - Hebron, the city of the priests, Jos 21:11, which was situated in the tribe of Judah, about forty miles south of Jerusalem, and upwards of seventy from Nazareth.
With haste - This probably refers to nothing else than the earnestness of her mind to visit her relative Elisabeth, and to see what the Lord had wrought for her.