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O'Shaughnessy Estate Winery winery estate in Angwin, Howell Mountain
Angwin, Howell Mountain

O'Shaughnessy Estate Winery

Three Estates. One Vision. Wines Built to Last.

4.8(45 reviews)· $$$$ Luxury
Family Owned Organically Farmed Estate Caves Private Tastings
Overview

Experience the rugged elegance of Howell Mountain through powerful, age-worthy Cabernets and intimate cave tastings.

Best For
Collectors of age-worthy Cabernets and mountain-terroir fans.
Best Time to Visit
Harvest (Sep–Oct)
CellarPass Editorial Recommendation

Why We Recommend O'Shaughnessy Estate Winery

O'Shaughnessy stands out for its unique trifecta of estate vineyards across Napa’s most prestigious AVAs, providing a masterclass in site-specific winemaking. Their commitment to organic farming and patient cellar work results in wines of incredible depth and longevity that set a benchmark for mountain fruit.

Why Visit

  • Private cave tastings in volcanic hillsides.
  • Powerful wines from three distinct AVAs.
  • Masterfully crafted, long-aging mountain Cabernet Sauvignon.
  • Organically farmed vines with 30-year maturity.
  • Unhurried, intimate atmosphere for serious tasters.

Good to Know

This winery is recognized for producing age-worthy wines from premier mountain and valley floor appellations across Napa Valley.

Tastings are held in intimate, private caves carved directly into the Howell Mountain hillside.

Why Visit O'Shaughnessy Estate Winery?

You have to experience the cave tasting room; it is one of the most serene and private settings in Napa Valley. The focus here is entirely on the wine and the rugged landscape, making it a perfect escape for a deep dive into serious, small-batch Cabernet with a trusted expert.

Private cave tastings in volcanic hillsides.
Powerful wines from three distinct AVAs.
Masterfully crafted, long-aging mountain Cabernet Sauvignon.
Organically farmed vines with 30-year maturity.
Unhurried, intimate atmosphere for serious tasters.

"On our last minute Napa trip, O’Shaughnessy Winery fit us in with a short notice. We were recommended this place by multiple wine educators from various wineries around the area. It is located on Howell Mountain with beautiful views. Our wine educator Bob was amazing and down to earth. We’ve been coming to Napa since 2010. He reminded us of how Napa used to be like before (intimate, friendly). We were not pressured to buy wines or join the membership, although we did not need the pressure because the wines were so good. This was one of our favorite wine tasting experiences. Bob was one of our favorite wine educators who taught us a lot about wines, history of Napa, and life in general. Wines taste even better with good company. Thank you so much, Bob and Ricky! We will be back and will be recommending this place to everyone."

Yela Jung

· Verified Guest

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Plan Your Trip to O'Shaughnessy Estate Winery

Everything you need to know before visiting.

Best Time to Visit

Spring (March–May) and fall (September–November)

Reservations Required?

Yes, reservations are highly recommended at most wineries.

How Many Wineries Per Day?

For the best experience, plan to visit 2–3 wineries per day to allow time for tastings, travel, and enjoying the property.

Transportation Options

Consider a private driver, guided wine tour, or rideshare service(Uber & Lyft) to safely explore Napa Valley and fully enjoy your tastings.

Where to Stay

Choose from luxury resorts, boutique inns, vineyard retreats, and charming downtown accommodations throughout Napa Valley.

Plan Your Napa Valley Visit

First-Time Visitors

Planning Your Trip

Reservations & Booking

Why O'Shaughnessy Estate Winery Made Our List

O'Shaughnessy stands out for its unique trifecta of estate vineyards across Napa’s most prestigious AVAs, providing a masterclass in site-specific winemaking. Their commitment to organic farming and patient cellar work results in wines of incredible depth and longevity that set a benchmark for mountain fruit.

You have to experience the cave tasting room; it is one of the most serene and private settings in Napa Valley. The focus here is entirely on the wine and the rugged landscape, making it a perfect escape for a deep dive into serious, small-batch Cabernet with a trusted expert.

  • Private cave tastings in volcanic hillsides.
  • Powerful wines from three distinct AVAs.
  • Masterfully crafted, long-aging mountain Cabernet Sauvignon.
  • Organically farmed vines with 30-year maturity.
  • Unhurried, intimate atmosphere for serious tasters.

Wine Quality

& Reputation

Guest Reviews

& Ratings

Tasting Experience

& Hospitality

AVA

Representation

Bookable

Experiences

About This Winery Profile

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Last Updated

July 10, 2026

We update our guides regularly to ensure information is accurate.

Written By

CellarPass Editorial Team

Our team of wine travel experts and local contributors.

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