Château Semeillan Mazeau
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Château Semeillan Mazeau, located in Listrac, is a family-owned winegrowing estate certified organic since 2015. It produces Listrac-Médoc wines across 15 hectares of clay-limestone and gravelly soils, under the direction of Pierre Jean Denis Bibian.

Identity
Château Semeillan Mazeau is located in the commune of Listrac, in Gironde. It is owned by Pierre Jean Denis Bibian, who also serves as the estate's cellar master, winegrower, and winemaker. The estate is part of the Vignobles Jean Denis Bibian group.
History and philosophy
Château Sémeillan was established in 1925 under the ownership of Mr P. A. Hosten. The Vicomtesse du Pavillon was also one of its former proprietors. In 1998, Château Sémeillan Mazeau was restored by Mr and Mrs Jander. The estate was acquired in 2021 by Pierre Jean Denis Bibian. Certified organic since 2015, the vineyard became the very first organic estate in Listrac-Médoc. In parallel, Château Lagrave Cissan, another property of Vignobles Jean Denis Bibian, was founded in 1919 by André Lescoutra.
Appellations
Château Semeillan Mazeau produces wines under the Listrac-Médoc appellation. Château Lagrave Cissan, another estate belonging to Vignobles Jean Denis Bibian, also produces wines in Listrac-Médoc and Haut-Médoc.
Practical information
Château Semeillan Mazeau is located at 41 Avenue de Soulac, 33480 Listrac. The estate welcomes visitors for guided tours and complimentary individual tastings. It is open from 1 September to 31 December. Tours can be conducted in French. Amenities and services include access to the park and gardens, group hosting, harvest experience days, and tailored catered dining options upon request. Pets are welcome. Payments by American Express are accepted. For further details or reservations, the estate can be contacted at +33 5 56 58 01 12.
Find out more
Frequently asked questions
- Who owns Château Semeillan Mazeau?
- Château Semeillan Mazeau is owned by Pierre Jean Denis Bibian, who also acts as the estate's cellar master and winemaker.
- Which appellation do the wines of Château Semeillan Mazeau belong to?
- The wines produced by Château Semeillan Mazeau fall under the Listrac-Médoc appellation. The family estate also produces wines in Haut-Médoc under Château Lagrave Cissan.
- What is the size of the vineyard and what type of soil does it have?
- The vineyard of Château Semeillan Mazeau spans 15 hectares. It features clay-limestone soils, gravel, deep gravel, and clayey gravel, along with small sandy gravel.
- Is Château Semeillan Mazeau certified organic?
- Yes, Château Semeillan Mazeau has been certified organic (AB) since 2015, making it the first organic winegrowing estate in the Listrac-Médoc appellation.
The vineyard (terroir)
The vineyard of Château Semeillan Mazeau covers an area of 15 hectares. The soils consist of clay-limestone, gravel, deep gravel, and clayey gravel. More specifically, Château Sémeillan Mazeau features soils of small sandy gravel over a clay-limestone subsoil, situated at an altitude of 43 metres. The estate has been certified organic (AB) since 2015.
Flagship cuvées
The estate offers the Château Sémeillan Mazeau cuvée, classified as Cru Bourgeois. In recent vintages, this cuvée is crafted from a blend of 75% Merlot and 25% Cabernet Sauvignon. A specific cuvée, "Le Petit Verdot", is made from 100% Petit Verdot. Château Lagrave Cissan is also affectionately known as the "Vins des pompiers".
- Appellations
- Listrac-Médoc, Haut-Médoc
- Commune
- Listrac
- Wine region
- Médoc
- Owner
- Pierre Jean Denis Bibian
- Technical direction
- Pierre Jean Denis Bibian
- Surface area
- 15 ha
- Second wine
- Château Lagrave Cissan
- Certifications
- Bio
- Grape varieties
- Merlot 75%, Cabernet Sauvignon 25%, Petit Verdot
Practical information
- Address
- 41 Avenue de Soulac, 33480 Listrac
- Phone
- 05 56 58 01 12
- Contact form
- Contact the estate
- Visits
- Les Vignobles Jean Denis Bibian vous accueillent pour une exploration du domaine viticole et une découverte des vins du Haut-Médoc et de Listrac-Médoc.
