April 1, 2024April 1, 2024 NCBS 30th Good Old Fashioned Bluegrass Festival Is August 8-11 The Historic 30th Good Old Fashioned Bluegrass FestivalΒ will be held August 8-11, 2024Β at the San Benito County Historical Park in Tres Pinos. The festival is a benefit for the Northern California Bluegrass Society.