Grey Fox Bluegrass Festival is an annual music festival held in mid-July in Oak Hill, Greene County, New York. The festival features a variety of acoustic music including traditional and contemporary bluegrass, jam bands, old-time, swing and Cajun. The festival presents nationally and internationally touring bluegrass bands and showcases emerging artists from around the country. The event runs Thursday through Sunday the third weekend of July. and attendance averages about 6,000 patrons per day.