With a history dating back to 1143, Chateau du Tertre is one of the oldest properties in Bordeaux. Since 1995 it has been in the hands of the Jelgersma family, also owners of Chateau Giscours. The du Tertre vineyard is a large single block, with 52ha under vine, planted to Cabernet Sauvignon (55%), Merlot (27%), Cabernet Franc (11%) and Petit Verdot (7%). Biodynamic viticultural techniques were being introduced beginning in 2008 and du Tertre was one of the first in Bordeaux to ferment grapes in egg-shaped concrete vats. The property produces a second wine, Les Hauts de Tertre, and from 2014 a dry white wine, Tertre Blanc, an unusual blend of Sauvignon Blanc, Chardonnay, Viognier and Gros Manseng. This Margaux property was classified Cinquieme Cru (Fifth Growth) in 1855.

The second wine of Chateau Margaux came about partly due to misfortune - when an attack of phylloxera decimated the vineyards, necessitating a replanting of the majority of their vineyards. The lack of grapes eliminated the possibility of a First Growth Quality wine and led to the production of their second wine - the Pavillon Rouge de Chateau Margaux, the first official vintage of which was released in 1906. Renowned as a sterling example of a second wine, the 2016 has been hailed as a particularly superb vintage. Medium-bodied, silky, intense and tannic, it continues its impressive trajectory year upon year.