Napa Valley has been producing world-class wine for over a century, but the experience of visiting a Napa Valley winery in 2026 is richer and more varied than at any previous point in the valley's history. Whether you are planning your first visit or returning to explore new estates, this guide covers what you need to know to make your Napa Valley experience exceptional. The Geography of Napa Wine Napa Valley stretches approximately 30 miles from the town of Napa in the south to Calistoga in the north. The valley is flanked by the Mayacamas Mountains to the west and...