While Napa and Bordeaux dominate wine tourism, Japan's Yamanashi Prefecture is quietly producing world-class whites that are redefining Asian viticulture. At the heart of this revolution lies Katsunuma - the epicenter of Japan's signature Koshu grape and home to boutique wineries that combine centuries-old traditions with cutting-edge techniques.
1. The Koshu Grape: Japan's Liquid Heritage
Unique Characteristics
- Pale pink-skinned berries with delicate floral aromas
- Naturally high acidity (perfect with sushi and sashimi)
- 1300-year history, originally from Caucasus region
Taste Profile
- 🍑 White peach and citrus blossom notes
- 🧂 Distinct mineral salinity from volcanic soils
- 🍋 Crisp, dry finish (typically 11-13% ABV)
2. Must-Visit Boutique Wineries
Château Mercian
- Japan's first commercial winery (1877)
- Flagship wine: "Koshu Hishiyama Vineyard"
- Experience: Blending workshops in 100-year-old cellars
Grace Winery
- 5-generation family estate
- Award-winning "Cuvée Misawa" Koshu
- Don't miss: Vineyard tours with Mt. Fuji views
Marufuji Winery
- Organic pioneer since 1985
- Signature "Rubaiyat" orange Koshu
- Unique offering: Sake-wine hybrid tastings
3. The Katsunuma Experience
Best Time to Visit
- April: Vineyards in full bloom
- September-October: Harvest festivals
- November: Autumn foliage pairings
Luxury Stays
- Fuefukigawa Fruit Park (vineyard villas)
- Hotel Clad (wine-themed onsens)
- Laforet L'Espoir (French-Japanese fusion retreat)
4. Food Pairings Perfected
Traditional Matches
- Sashimi (especially hirame and tai)
- Tempura vegetables
- Yudofu (tofu hot pot)
Innovative Combinations
- Koshu sorbet intermezzo
- Foie gras with Koshu jelly
- Oyster with yuzu-Koshu granita
5. Bringing Koshu Home
Purchasing Tips
- Look for "甲州" (Koshu) on labels
- Best vintages: 2018, 2020, 2022
- Top producers: Château Mercian, Grace, Suntory
Global Stockists
- Hedonism Wines (London)
- Sakaya (New York)
- Japan Centre (online)
Traveler's Note
- Koshu ages beautifully (3-7 years optimal)
- Serve chilled (8-10°C) in white wine glasses
2023 Standout Bottles
- Grace Winery "Kayagatake" Koshu 2021
- Château Mercian "Koshu Gris de Gris" 2020
- Marufuji "Rubaiyat" Barrel Aged 2019
Hi Guest, have you experienced Japan's wine revolution? Share your favorite Koshu discoveries with fellow oenophiles on PrestigeFly.
"Koshu isn't just a wine - it's the taste of Japanese terroir in a glass." - Shinya Tasaki, Japan's First Master Sommelier
