689 PROSPECT HILL Road This lot, #6 on the map, backs to a pond. Perhaps you have been thinking about making a move to a quieter life in a smaller community. While Westmoreland County has a population of less than 20, 000, it has some charm and history to investigate. Look into what the Northern Neck of Virginia has to offer. Montross is the County seat, the birthplace of our first President and still has ancestors living nearby. Come, see and stay? This is a 3.62 acre lot which is level and has trees on the back portion. It is located to the right to the property known as 687 Prospect Hill Road and the address used here of 689 Prospect Hill Road is for GPS convenience. The County does not assign a house number for address purposes until there is a dwelling.