there are many wineries in the immediate vicinity, and plenty in the area, more than can be visited in a single day. Here is a list of wineries in the immediate area: Kalero, Bozzo, Two Twisted Posts, Notaviva, 868, and Hillsborough to name a few. Within a few more miles, there is also Walsh, Doukenie, Sunset Hills, and 8 Chains North. Loudoun is filled with wonderful wineries, and it will take more than a few days to even visit a few.