Argentines once drank 90 liters of wine a year. Now they’re down to 15 — and 1,100 vineyards have already closed

Argentina’s once thriving wine industry is facing its worst crisis in more than 15 years, with record-low domestic consumption, dwindling exports and low-yielding crops.

Against this sobering reality, hundreds of wine enthusiasts still gathered last week in Mendoza, the heart of Argentina’s wine region, to celebrate the annual National Wine Harvest Festival. Attendees watched dance performances, enjoyed live music and voted for the new queen of the Vendimia festival.

The festival...