They are located in the southern part of the valley just north of Downtown Napa, in the Oak Knoll district. This area produces some very nice wines and they are nearby the Andretti winery and Trefethen. The tasting room is small but charming and the staff is nice.
They are also the site of a scaled replica of the home of Thomas Jefferson, Monticello, although the tastings are done in a facing building. They have a nice picnic area that is popular with families. They also conduct blending seminars. They have a picnic area with plenty of tables that seems to be very popular with families.