Glyn Mawr Winery Grand Opening Celebration Glyn Mawr Winery has completed the renovation to the Mount Vernon winery and tasting room. All are invited to join in the grand opening celebration! The 3-day event is May 24-26. Attendees will enjoy: FOOD TRUCKS LIVE MUSIC CASE SPECIALS GIVEAWAYS Share This Page: Date May 24 2019 Expired! Time 10:00 am - 10:00 pm More Info Read More Location The Local - Mount Vernon, Iowa 103 1st Street NW Category Food Music Neighborhood Shopping