The Purple Onion

37°47′48″N 122°24′17″W / 37.79667°N 122.40472°W / 37.79667; -122.40472 The Purple Onion was a celebrated cellar club in the North Beach area of San Francisco, California, located at 140 Columbus Avenue (between Jackson and Pacific). With an intimate, 80-person setting, the club was a popular influence in local music and entertainment during the Beat era of the 1950s and 1960s.