10 essential wine destinations, according to a tour industry expert

John Kelliher, co-founder of Grapeline Wine Tours, shares his picks for ten global wine destinations that offer more than just interesting bottles — from historic estates to unique local traditions. 

According to a recent db report, global wine tourism is forecast to grow over the next decade at a compound annual rate of around 13 %, with market size expected to swell from US $95.877 billion in 2024 to approximately US $332.52 billion by 2034. 

That rapid expansion reflects a post‑pandemic rebound in travel and a booming appetite for immersive experiences — from vineyard tours and tasting walks to food pairings and behind‑the‑scenes access. Globally, consumers are increasingly drawn to destinations where wine connects them to place, culture and history.

Into this booming landscape steps John Kelliher, co‑founder of Grapeline Wine Tours, who revealed his curated list of ten wine destinations that he says every wine lover should experience at least once. Spanning five continents, the list includes both household names and under-the-radar gems, from the volcanic vineyards of Santorini to the sun-drenched slopes of Mendoza.

“Turning your wine tasting into a wine tour allows you to experience the essence of each region through the land, the people, and the stories behind every bottle,” said Kelliher. “As someone who’s been organising wine tours for years, I’ve seen how these immersive experiences transform casual drinkers into true enthusiasts.”

Australia to Argentina

The list kicks off with Hunter Valley, Australia’s oldest wine region, where scorching summer temperatures help produce a variety of outstanding wines, from dry Semillon to bold Shiraz. With visits to well-known producers such as McGuigan and Stonehurst, Kelliher describes the tours here as “perfect for nature lovers who appreciate a lively atmosphere and good company”.

In Napa and Sonoma, California’s most famous wine regions, visitors are drawn by the blend of “laid-back yet luxurious” wine culture, Kelliher says. With landmark wineries like Inglenook and Mondavi on offer, he believes the area appeals to both novices and experienced enthusiasts alike. For something different, he recommends catching a glimpse of Napa’s Old Faithful geyser.

South Africa’s Cape Winelands, meanwhile, offer a combination of scenic beauty and winemaking heritage. Stellenbosch and Franschhoek stand out for their architecture and signature Pinotage, with the Franschhoek Wine Tram and Boschendal Estate cited as highlights.

Over in Santorini, Greece, Assyrtiko thrives in volcanic soil, with vines trained into circular baskets to withstand strong island winds. Visitors can explore this unique viticultural approach alongside winemaking artefacts at the Koutsoyannopoulos Wine Museum. “Santorini is a must for nature lovers and history enthusiasts,” Kelliher said.

Further south, Argentina’s Mendoza region stands as the undisputed capital of Malbec. Situated at the foot of the Andes, Mendoza offers dramatic scenery and sunny, dry conditions that help shape its rich, expressive reds. Visitors can explore the region on cycling tours through Maipú and Luján de Cuyo, stopping at producers along the way. “With a history of winemaking that dates back to the 16th century, Mendoza is the place to experience Argentina’s finest Malbecs and explore the heart of its winemaking culture,” Kelliher adds.

Old world and new discoveries

Unsurprisingly, Bordeaux also features on the Kelliher’s list. From Château Margaux to Mouton Rothschild, the Médoc region offers deep immersion in the art and science of winemaking. Kelliher points to the chance to witness traditional ageing methods and sample world-class reds.

Portugal’s Alentejo is described as a hidden gem. With more than 250 producers, the region combines diverse terroirs with local festivities, including the Festa da Vinha e do Vinho. “Tours here are perfect for those who crave authenticity and a window into local tradition,” Kelliher said.

Back in Europe, Tuscany continues to charm with its mix of Chianti, Brunello di Montalcino and sustainable practices. Kelliher notes a trend towards biodynamic and organic production, and highlights the medieval village of San Gimignano for its ancient cellars.

Finally, Spain’s Rioja rounds out the top ten. The region balances tradition with innovation, offering everything from historic haciendas to contemporary wineries. The culinary offering — particularly the tapas — also enhances the wine experience. Kelliher singles out López de Heredia as one of Rioja’s must-visits.

“Wine connects us to nature, culture, and history, offering a deeper understanding of the world,” Kelliher added. “Whether it’s exploring the rugged vineyards of Mendoza or the sun-soaked hills of Tuscany, wine tours provide a unique opportunity to immerse yourself in the places that produce the wines you love.”

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