Where is Testa Dura located?

Testa Dura is in Sonoma Valley, United States.

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Sonoma Valley · United States

Testa Dura

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Testa Dura is a winery in Sonoma Valley, United States.

Where is Testa Dura located?: Testa Dura is in Sonoma Valley, United States.

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Testa Dura is a winery in Sonoma Valley, United States.

Wine and dining by the critics, not the crowd — the bottles and tables worth the trip. Free on iPhone.