Japan Winery Map

NaganoKikyogahara Wine Valley

Domaine KOSEI

ドメーヌコーセイ

Visits: unverifiedTasting: unverifiedAward-winningNew (est. 2015+)

A Merlot-focused winery (Domaine KOSEI Co., Ltd.) in the Kataoka district of Shiojiri City, Nagano Prefecture. Located in the Kikyogahara Wine Valley, it plants roses in its vineyards to help detect vine diseases early.

Address
長野県塩尻市片丘7861-1
Hours
Unverified
Closed
Unverified
Access
Unverified
Founded
Unverified
Fruit-wine licence
2019.07.01 (newly granted; National Tax Agency)

Main grapes

Wines from this producer

5 wines that appear in the published competition results. The number is how many awards each has.

Competition awards

From the published results of the Japan Wine Competition. 11 listed.

  • 2026 金賞 CHERRY BONICA & BEVERLY 2023
  • 2026 金賞 ICEBERG & FRAMBOISE VANILLE 2023
  • 2026 銀賞 KATAOKA MERLOT AMERICAN OAK 2022
  • 2026 銅賞 KATAOKA MERLOT FRENCH OAK 2022
  • 2025 金賞 ICEBERG & FRAMBOISE VANILLE 2023
  • 2025 銀賞 ICEBERG & FRAMBOISE VANILLE 2022
  • 2025 銅賞 CHERRY BONICA & BEVERLY 2023
  • 2025 銅賞 CHERRY BONICA & BEVERLY 2022
  • 2025 銅賞 KATAOKA MERLOT AMERICAN OAK 2022
  • 2025 銅賞 KATAOKA MERLOT FRENCH OAK 2022
  • 2024 銅賞 メルロ ロゼ K.K. edition 2023

Awards

  • 2026 日本ワインコンクール2026 欧州系品種・赤 金賞（Iceberg & Framboise Vanille 2023）
  • 2026 日本ワインコンクール2026 欧州系品種・赤 金賞（Cherry Bonica & Beverly 2023）
  • 2026 日本ワインコンクール2026 欧州系品種・赤 銀賞（KATAOKA MERLOT 2022 AMERICAN OAK）
  • 2026 日本ワインコンクール2026 欧州系品種・赤 銅賞（KATAOKA MERLOT 2022 FRENCH OAK）

Where to buy or drink these wines

22 places. Only those confirmed by a source are listed. Please check opening hours with each shop.

+ Show the remaining 10

Links

Get directions（opens in a new tab）

Sources

Last verified:
  • domaine-kosei.com公式サイトLast verified:
  • nagano-wine.jpNAGANO WINELast verified:
  • domaine-kosei.com公式サイト Company（社名・代表者・所在地）Last verified:
  • domaine-kosei.com公式サイト掲載PDF（日本ワインコンクール2026 金2・銀1・銅1）Last verified:
  • domaine-kosei.com公式サイト History（塩尻・桔梗ヶ原のメルロ、メルロのみで醸造）Last verified:
  • domaine-kosei.com全商品の品種がメルロ（自園100%・塩尻市片丘地区）で既存 varieties と一致Last verified:
  • msearch.gsi.go.jp国土地理院 住所検索（返り値「長野県塩尻市片丘」／大字までの解決・従前の座標から 2834m）— 緯度経度の出典Last verified:
  • nta.go.jp国税庁 酒類等製造免許の新規取得者一覧（果実酒・2019-07-01・処理区分「新規」）— 製造者名「株式会社　Ｄｏｍａｉｎｅ　ＫＯＳＥＩ」Last verified:

Information on this page was checked against the sources above on August 9, 2026. Please confirm the latest details on the official site.

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