1990 Harlan Estate Cabernet Magnum - RARE - First Release!! First Release Mag!! Harlan Estate owned by Bill Harlan is a luxury world-class Cabernet Sauvignon-based wine produced from a steep terraced vineyard on the western side of Napa Valley high above Napa's famous Martha's Vineyard. Approximately 24 acres are in vine and the yields to date have been very low. Bill Harlan better-known as one of the principals of Merryvale Vineyards and Napa's exquisite Meadowood Country Club and Resort has only one objective: to produce one of the greatest red wines of California. Based on the 1991 1992 and 1993 vintages Harlan Estate will create quite a frenzy among wine enthusiasts.