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Best Wineries on Howell Mountain, Napa Valley

Howell Mountain is Napa Valley's original mountain appellation — above the fog line at 1,400–2,200 feet, with volcanic soils producing some of...

Howell Mountain, rising to the east of Napa Valley at elevations between 1,400 and 2,200 feet, was California's first mountain appellation when it was established in 1984 — and it remains one of the most distinctive. The red volcanic soils that blanket this ridge above the valley fog are among the most demanding in all of California wine country.

Thin, nutrient-poor, and extremely well-drained, the volcanic soils of Howell Mountain naturally limit vine vigor and yields, producing berries of concentrated flavor, thick skins, and firm tannins. The resulting wines are among the most structured and long-lived in Napa Valley — not wines for immediate gratification, but wines that reward patience with extraordinary complexity after a decade or more in the bottle.

Above the morning fog line, Howell Mountain vines receive intense sunlight from early morning, building phenolic ripeness while cool evenings preserve the natural acidity that makes the wines age so gracefully. This is Napa Valley's austere, demanding, magnificent mountain face.

Featured Wineries

01
Dunn Vineyards
Randy Dunn's Howell Mountain Cabernet Sauvignon is one of California's most important wines — structured, austere, and built for decades of aging. Dunn's commitment to traditional winemaking and genuine mountain viticulture has made these wines cult objects among serious collectors.
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02
La Jota Vineyard Co.
La Jota's historic stone winery at the top of Howell Mountain produces exceptional Cabernet Sauvignon and Cabernet Franc that capture the appellation's volcanic intensity. The estate has a long history on the mountain, and the wines have earned a devoted following among those who appreciate structured, terroir-driven Napa Cabernet.
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03
Ladera Vineyards
Ladera's Howell Mountain Estate Cabernet Sauvignon is crafted from organically farmed mountain vines of exceptional quality. The combination of old-vine intensity, volcanic mineral character, and meticulous winemaking produces a wine that stands among Howell Mountain's finest.
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04
ADAMVS
The ADAMVS estate, developed on the site of an 1880s Howell Mountain stone winery, produces Cabernet Sauvignon of breathtaking concentration and mineral depth from 16 acres of volcanic hillside vineyard. Philippe Melka's winemaking brings Old World precision to this extraordinary New World mountain site.
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05
Howell Mountain Vineyards
One of the appellation's most focused producers, Howell Mountain Vineyards produces Cabernet Sauvignon and Zinfandel that express the distinctive volcanic terroir of the ridge with clarity and depth. The mountain setting and small-scale production create a genuinely special tasting experience.
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06
Black Dog Ranch
Named for the ranch dogs that patrol its Howell Mountain vineyards, Black Dog Ranch produces bold, mountain-grown Cabernet Sauvignon and Petite Sirah from volcanic soils above the valley floor. The appointment-only experience is intimate and the wines are genuinely impressive.
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07
Summit Lake Vineyards & Winery
One of Howell Mountain's most historic estates, Summit Lake has been producing Zinfandel and Cabernet Sauvignon from its volcanic ridge vineyards since 1971. The family-owned winery represents the original spirit of mountain viticulture in Napa Valley.
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08
Howell at the Moon
A playfully named but seriously crafted Howell Mountain estate producing Cabernet Sauvignon, Zinfandel, and Petite Sirah from volcanic soils above 1,400 feet. The intimate appointment experience and genuine mountain character make this one of the appellation's most appealing small wineries.
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Frequently Asked Questions

What makes Howell Mountain wines different from valley floor Napa wines?
Howell Mountain's volcanic soils, high elevation, and position above the fog line produce wines of exceptional concentration, firm tannins, and deep mineral character. The wines are more austere and structured than valley floor Cabernets and require more cellaring — but they age magnificently.
How do you get to Howell Mountain?
Howell Mountain is accessed via Deer Park Road or Pope Valley Road, winding up from the Silverado Trail. The drive takes about 20-30 minutes from the valley floor and involves steep, narrow mountain roads. A four-wheel drive or high-clearance vehicle is not required but confidence on mountain roads helps.
What is the best vintage to look for from Howell Mountain?
Howell Mountain Cabernet Sauvignon from cooler vintages with extended hang time tends to produce the most complete wines. Years like 2013, 2016, and 2019 are frequently cited as outstanding for mountain appellations. Given the wines' aging potential, recent vintages from 3-7 years ago often represent the sweet spot.
Are Howell Mountain wineries open to visitors?
Most Howell Mountain wineries are appointment-only, with limited visiting hours. Call or email well in advance to secure a tasting appointment. The remoteness of the mountain means that walk-in visits are rarely possible.