González Byass Sherry Cathedral

How to Complete

6 steps curated by Wine Memories

1. 📜 1

   Hunt the Barrel Picasso Signed from Exile

   history Free

   📍 WHERE: The signed-cask rooms are visible during the standard tour — ask your guide specifically about the celebrity barrels as you enter the main aging naves.

   💡 WHAT: Somewhere in these vaults is a sherry cask signed by Pablo Picasso — sent to him in France while he was in political exile, signed there, and returned to Jerez. It sits alongside casks signed by Winston Churchill, Margaret Thatcher, Orson Welles, Steven Spielberg, and Lana Turner. A separate room, Los Reyes (The Kings), contains casks signed by six generations of the Spanish Royal Family. The chalk signatures look impossibly fresh — because the cellar staff periodically re-trace each one from a preserved template. The signatures are immortal, and so, in this way, is the moment of signing.

   🎯 HOW: When you spot Picasso's barrel, look for any small sketch or flourish beside the signature — he sometimes added a mark. Then find Churchill's. Ask your guide: 'Did Churchill ever actually visit Jerez, or did the barrel go to him?' The answer changes the story.

   🔄 BACKUP: If the guide moves past the celebrity barrels quickly, ask to pause. These are among the most iconic objects in the bodega — guides expect the question.

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2. ⛰️ 2

   Stand Inside the Dome That Predated the Eiffel Tower

   adventure $$

   📍 WHERE: La Real Bodega de La Concha — 'The Royal Bodega of the Shell.' The mini-train stops here during the tour. The circular building with the iron dome is unmistakable from the outside.

   💡 WHAT: In 1872, González Byass hired architects from Gustav Eiffel's school — the same engineering practice that would build the Eiffel Tower 17 years later — to design this circular iron-and-glass pavilion as a gift to mark the 10th anniversary of Queen Isabel II's visit. Inside: 214 sherry casks, each one bearing the flag of a different country where González Byass exports wine. Count them — 115 countries as of the last update. The dome overhead is the same structural logic Eiffel would later scale to 324 meters in Paris. Except here, it's been aging sherry since 1872.

   🎯 HOW: The standard tour (from €31) includes La Concha. Book at gonzalezbyass.com/en/wine-tourism — tours run Tuesday to Saturday from 12:00, available in Spanish, English, French, and German. When you're standing inside, look up at the dome before looking at the barrels. Let the architecture land first. Then count the flags.

   🔄 BACKUP: If the tour is sold out, book the next available slot — the bodega runs multiple daily departure times. In high season (spring and autumn), book at least 2 weeks ahead.

   🍷 Log Memory
3. 📜 3

   Find da Vinci's Last Supper Built from Sherry Casks

   history $$

   📍 WHERE: Los Apostoles bodega — the 1857 aging hall named for the twelve Apostles. Your guide will take you here as part of the standard tour.

   💡 WHAT: In 1862, Queen Isabel II arrived for a royal visit and expressed a wish to watch the grape harvest — except it was October and harvest had been over for weeks. Rather than disappoint a queen, Manuel María González sent teams across Andalusia to buy post-harvest eating grapes. They sourced 23,000 kilograms. He then commissioned an enormous 33,000-liter cask from a Heidelberg cooper called 'El Cristo' — because 33 was the age of Christ at crucifixion. Then he arranged 12 barrel-casks, each holding 6,000 liters and named for a different Apostle, in the exact order they appear in Leonardo da Vinci's Last Supper: Bartholomew, James the Lesser, Andrew, Judas, Peter, John, Jesus, Thomas, James the Greater, Philip, Matthew, Thaddaeus, Simon. Da Vinci painted it in 1498. González re-created it in sherry barrels in 1862.

   🎯 HOW: Ask your guide which cask is 'Judas' — and what that means for the wine aged inside it. Then ask which one is 'El Cristo' and how much sherry it could hold.

   🔄 BACKUP: If your guide doesn't mention the Last Supper arrangement specifically, ask directly: 'Can you show me the arrangement of the Apostle casks?' It is one of the bodega's signature stories.

   🍷 Log Memory
4. 🍷 4

   Taste the Wine That Has Never Had a Vintage

   wine $$

   📍 WHERE: The tasting room at the end of the tour. The standard tour includes tasting of 4 sherries — from dry Fino through to sweet styles.

   💡 WHAT: Ask for Tío Pepe first. It is the world's number one selling Fino, first registered trademark in all of Spain (1936), sold in over 100 countries — but here, at the source, you're tasting it straight from the solera of 22,000 barrels. The solera system means there is no vintage. The wine in your glass is a blend across decades, containing trace amounts of wine from the 1835 founding year. Mathematically, you can never fully empty a solera. When the flor yeast layer — the living skin of Saccharomyces cerevisiae on the wine surface — is thickest each spring, they draw off 92 specific casks and bottle it unfiltered as Tío Pepe en Rama. Ask if the current saca (spring 2025 is the 16th edition) is available. Hazy, pale gold, smelling of chalk, iodine, toasted almonds, and sea breeze.

   🎯 HOW: Smell the Fino first. Then ask: 'Which solera does this come from?' Then taste from Fino to Amontillado to Oloroso in order — notice how the flor progressively disappears and oxidation takes over. Ask your guide to explain what flor yeast is doing to protect the wine. Watch their face when they explain that the yeast is alive and eating the alcohol.

   🔄 BACKUP: If the en Rama saca isn't available at the bodega, ask about purchasing from the shop. Standard Tío Pepe Fino is always available. The tasting with 4 sherries is included in all standard tours from approximately €31.

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5. 🍷 5

   Drink the Duke's 1857 Solera — 30 Years Per Sip

   Optional

   wine $$$$

   📍 WHERE: Ask at booking (reservas@gonzalezbyass.es) about the VORS tasting upgrade, or inquire at the tasting room after your standard tour ends.

   💡 WHAT: In 1857, the Duke of Medinaceli purchased 16 sherry butts to start an Amontillado solera. That solera became Del Duque. It has been running continuously for 168 years and carries an average age of 30+ years — which means every sip contains wine from across more than three decades. The flavor: 'briny as sea urchin, balanced by a light sweetness that murmurs underneath.' It won Decanter's Best in Show in 2025. Also consider Noé — the PX VORS — which starts as molasses and raisins, then at 30 years turns saline and dry in a way that makes you question whether you're drinking dessert wine or sea water. James Suckling scored it 95 points.

   🎯 HOW: When you taste Del Duque, ask: 'How many butts were in the original 1857 solera?' The answer is 16. Ask how many are in it today. The ratio of old to new wine in your glass is something very few people in the world ever stop to calculate.

   🔄 BACKUP: All four VORS sherries are available for purchase in the bodega shop in 375ml bottles (Matusalem approximately €30–35). Buy the Del Duque and the Noé. Taste them side by side somewhere quiet outside by the cathedral.

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6. ⛰️ 6

   Find the Mice's Sherry Glass — Cats Banned Here

   adventure Free

   📍 WHERE: Look for it on the floor near the solera-level casks during the tour — a small glass with a tiny wooden ladder leaning against it.

   💡 WHAT: Long ago, a cellar worker named José Gálvez spent years training the bodega mice to climb a small ladder and drink Cream sherry from a copa. The tradition was never stopped. Today, a full glass of sweet sherry is placed on the floor of the cellar every single day, with a tiny ladder. Cats are banned from the entire González Byass winery complex — the founding family's love of mice has been codified into institutional policy. The mice drink their sherry. The solera casks are left undisturbed. Whether this is cause and effect is debated. Whether the mice are still coming — also debated, but the glass is always full in the morning.

   🎯 HOW: When you spot it, don't touch the glass — it's ceremonial and reset daily. Ask your guide: 'Is the glass empty in the morning, or still full?' Then ask whether anyone has ever seen a mouse actually climbing the ladder. The answer will vary by guide. The uncertainty is the point.

   🔄 BACKUP: If you miss it during the tour, search 'sherry mice González Byass Atlas Obscura' before your visit so you know exactly what you're looking for. You can also ask the guide directly at the start: 'Where is the mice's glass?'

   🍷 Log Memory