Pacific Union College (PUC) is a private liberal arts college located in Napa Valley, California. The campus is located in the upper valley town of Angwin, eight miles north of St. Helena, California and within the Howell Mountain wine appellation. It is the only four-year college in Napa County. It is among the top ten employers in the county. A coeducational residential college, it serves an almost exclusively undergraduate student body, the overwhelming majority of which live on campus.