Calistoga AVA

Calistoga AVA occupies the northernmost valley-floor position in Napa Valley, surrounded by mountains on three sides and bordered by the St. Helena AVA to the south. The valley floor here sits at a minimum elevation of around 300 feet, and vineyards climb to approximately 1,200 feet on surrounding hillsides. Because the appellation is ringed by mountains and relatively far from the moderating influence of San Pablo Bay, it generates the hottest daytime temperatures and the most extreme diurnal temperature swings in all of Napa Valley. Afternoon and evening breezes funneled through the Chalk Hill Gap from the Pacific provide essential overnight cooling that preserves acidity in the grapes. The geological uniformity of the region is a defining characteristic, with bedrock formed almost exclusively through volcanic action.

• Valley floor sits at a minimum of around 300 feet, with vineyard sites reaching up to approximately 1,200 feet elevation on hillsides
• Daytime temperatures can reach 100°F in summer, with overnight drops of up to 50°F, the greatest diurnal swing in Napa Valley
• Volcanic geology is near-uniform across the AVA, making Calistoga one of the most geologically consistent appellations in Napa Valley
• The dramatic Palisades, west-facing cliffs of ancient igneous rock, define the eastern flank of the appellation

Cabernet Sauvignon is Calistoga's flagship variety, accounting for more than 50% of plantings, and it flourishes in the hot days and cool nights that characterize the appellation. The warm growing season drives full phenolic ripeness, while significant overnight cooling retains acidity and freshness, producing wines with rich dark fruit character, firm but ripe tannins, and notable aging potential. Zinfandel and Petite Sirah have deep historical roots in Calistoga, with old-vine examples from volcanic sites delivering exceptional depth and spice. Merlot, Cabernet Franc, and Sauvignon Blanc round out the planted varieties. The overall house style tends toward ripe, richly colored reds with mineral complexity and considerable structure.

• Cabernet Sauvignon accounts for more than 50% of all plantings and is the appellation's defining variety
• Zinfandel and Petite Sirah have long histories in Calistoga and thrive on volcanic soils, producing bold, spice-driven wines
• Old-vine Charbono, a rare variety also known as Bonarda in Argentina, is found in a handful of Calistoga vineyards
• Hot days build color, flavor, and tannin, while cool nights preserve acidity and allow for longer, more balanced hang time

Calistoga's story begins with the indigenous Wappo people, who used the area's geothermal hot springs for centuries. Samuel Brannan, California's first Gold Rush millionaire, visited the hot springs in 1859 and purchased roughly 2,000 acres in 1861, founding the town and opening his resort in 1862. The name Calistoga originated from Brannan's ambition to create the Saratoga of California, a blend of the two names that became the town's identity. Jacob Schram established one of the region's earliest hillside wineries in 1862, and by 1880 Calistoga was already recognized as a distinct viticultural district, with census data that year listing it separately from the rest of Napa. The region survived phylloxera in the 1890s and Prohibition (1920-1933). Modern viticulture revived in the 1970s and 1980s, and the area was formally recognized as an AVA, effective January 2010.

• Samuel Brannan purchased approximately 2,000 acres and founded the town of Calistoga in 1861, opening his hot springs resort in 1862
• Jacob Schram founded Schramsberg in 1862, excavating Napa Valley's first hillside wine caves using Chinese laborers
• Viticultural and winery census data from 1880 already listed Calistoga as a distinct wine-growing region separate from Napa
• Robert Louis Stevenson honeymooned near Mount St. Helena in 1880 and wrote about the region, including a visit to Schramsberg, in his memoir 'The Silverado Squatters'

Calistoga hosts more than 50 wineries ranging from historic estates to boutique producers. Chateau Montelena, founded in 1882 by Alfred L. Tubbs at the foot of Mount St. Helena, is among the appellation's most storied estates, famous for the 1973 Chardonnay that won the white wine category at the 1976 Judgment of Paris. Schramsberg Vineyards, originally founded by Jacob Schram in 1862 and revived by Jack and Jamie Davies in 1965, is California's benchmark producer of methode traditionnelle sparkling wine, sourcing Chardonnay and Pinot Noir from over 115 cool-climate vineyard sites across the North Coast. Other established names include Kenefick Ranch Vineyards, Frank Family Vineyards, Larkmead Vineyards, Bennett Lane Winery, and Tom Eddy Winery, each showcasing different facets of Calistoga's volcanic terroir.

• Chateau Montelena, founded 1882, is listed on the National Register of Historic Places and remains family-owned by the Barretts
• Schramsberg, established 1862 and revived 1965, holds over 2.7 million bottles aging en tirage in its historic volcanic-rock caves
• Schramsberg's Blanc de Blancs was served at President Nixon's 1972 Toast to Peace with China, and the winery has been served at official state functions by every subsequent U.S. presidential administration
• Larkmead Vineyards and Kenefick Ranch are among the estate producers highlighting single-vineyard Cabernet Sauvignon from Calistoga's volcanic soils

The Calistoga AVA petition was first filed in 2003 by Bo Barrett of Chateau Montelena. The process was contested and took six years to resolve, largely due to opposition from two brands, Calistoga Cellars and Calistoga Estate, that used the Calistoga name on wines not primarily sourced from the area. The TTB approved the AVA in December 2009, with an effective date of January 7, 2010, making it the 15th sub-appellation within Napa Valley. The two dissenting brands were given three years to comply with the 85% sourcing rule or rebrand. In October 2024, the TTB also modified the Calistoga AVA boundary in connection with the establishment of the new Crystal Springs of Napa Valley AVA. As with all AVAs, producers must source at least 85% of fruit from within the appellation to use the Calistoga designation on the label.

• AVA petition filed 2003 by Bo Barrett; approved by the TTB December 2009, effective January 7, 2010
• Calistoga became the 15th recognized sub-AVA within the greater Napa Valley AVA
• 85% minimum fruit sourcing from within the appellation boundaries is required to use the Calistoga designation
• The Calistoga AVA boundary was modified in October 2024 following the creation of the new Crystal Springs of Napa Valley AVA

Calistoga combines world-class wine tasting with a spa culture rooted in the area's natural geothermal hot springs, a tradition stretching back to Sam Brannan's resort in 1862. The town has maintained its historic small-town character, even banning fast food franchises to preserve its 19th-century ambiance, and was named a Distinctive Destination by the National Trust for Historic Preservation in 2001. More than 50 wineries operate in and around the appellation, offering experiences ranging from Schramsberg's celebrated cave tours through volcanic-rock cellars holding millions of bottles, to intimate estate tastings at hillside properties with views toward Mount St. Helena. Indian Springs Resort and Spa, one of California's oldest resort spas, and Solage, an Auberge Resorts property, anchor the luxury accommodation scene. Calistoga Winegrowers organizes seasonal wine passport programs that provide access to a broad cross-section of local producers.

• Schramsberg offers guided cave tours through volcanic-rock tunnels excavated in the 1870s, with millions of sparkling wine bottles aging en tirage
• Indian Springs Resort and Spa features historic mineral pools fed by natural geothermal springs, a tradition dating to the 19th century
• The National Trust for Historic Preservation designated Calistoga a Distinctive Destination in 2001 in recognition of its preserved historic character
• Calistoga Winegrowers runs seasonal passport programs connecting visitors to more than 50 local wineries across the appellation