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Duckhorn Vineyards: wines and regions on a map

Compare Duckhorn’s Napa Valley Merlot with Three Palms Vineyard Merlot. Napa Valley names a broader growing region, while Three Palms identifies a vineyard; they describe different geographical scales.

Explore on the map

Read the place name on the label

A producer name alone does not determine an appellation or classification. Select a wine in the detail panel to check its available appellation and vineyard links. WineGIS does not assign a vineyard when the connection is missing.

An independent wine map guide

WineGIS is not the producer’s official website or a retailer. It does not provide prices, stock or bookings, and winery addresses are not vineyard ownership boundaries. Consult the original sources below for current wine information.

How to explore with WineGIS

  1. Start with the region, then zoom in to compare names and boundaries. Click a mapped feature to read its details and available sources.
  2. Switch between the base maps or use terrain tools where available. A mapped boundary, vineyard location and winery address describe different things.
  3. Add your own location markers and optional notes. They stay in your browser until you explicitly share a snapshot.

Coverage and limitations

The listed wines are not a complete catalogue. Names, appellations and availability can vary by vintage. Check each wine’s sources and reference dates in its detail panel.

Sources

Content reviewed: