Ancient Lakes AVA: A Comprehensive Guide to Washington's Distinctive Wine Region

Overview & Location

The Ancient Lakes AVA represents one of Washington State's most geologically fascinating and viticultural promising wine regions. Officially designated on October 18, 2012, this American Viticultural Area encompasses approximately 162,762 acres within the larger Columbia Valley AVA, though only a fraction of this land is currently planted to vineyards.

Located in the heart of Central Washington, Ancient Lakes sits within the Quincy Basin, positioned between the towns of Quincy to the south and George to the north. The AVA is approximately 120 miles east of Seattle, 40 miles southwest of Wenatchee, and about 30 miles north of the Wahluke Slope AVA. Interstate 90 runs along the northern boundary of the region, making it relatively accessible despite its remote, desert location.

The AVA's boundaries are defined by distinctive topographical features: the Frenchman Hills to the north, Babcock Ridge to the south, and the dramatic landscape carved by ancient cataclysmic floods to the east and west. This positioning places Ancient Lakes in a unique pocket within the Columbia Basin, distinguished from surrounding AVAs by its specific combination of elevation, soil composition, and microclimate.

The region takes its name from the numerous small lakes and potholes that dot the landscape, geological remnants of the catastrophic Missoula Floods that sculpted this terrain thousands of years ago. These ancient lakes, along with the dramatic coulees and basalt outcroppings, give the region both its name and its distinctive character.

Climate & Geography

Continental Desert Climate

Ancient Lakes experiences a quintessential high-desert continental climate characterized by extremes that challenge and ultimately benefit viticulture. The region receives an average of only 6-8 inches of annual precipitation, classifying it as a true desert environment. This aridity necessitates irrigation but provides winemakers with unprecedented control over vine water stress and vigor: a crucial advantage in premium grape production.

Diurnal Temperature Variation

One of Ancient Lakes' most significant climatic advantages is its dramatic diurnal temperature shift. Summer days regularly reach 90-100°F, providing ample heat for ripening and sugar accumulation. However, temperatures can plummet 40-50°F at night, often dropping into the 50s even during peak growing season. This extreme day-to-night variation is critical for preserving acidity in grapes while still achieving physiological ripeness: a balance that defines the region's wine style.

Topography and Elevation

The AVA's elevation ranges from approximately 1,000 to 1,600 feet above sea level, positioning it higher than many Columbia Valley regions. This elevation contributes to cooler nighttime temperatures while still receiving abundant sunshine during the day. The landscape is characterized by rolling hills, dramatic basalt cliffs, and the distinctive coulees carved by ancient floods.

The terrain's undulating nature creates numerous aspects and slope angles, allowing grape growers to match specific varieties to ideal exposures. South and southwest-facing slopes capture maximum solar radiation, while northern exposures offer cooler sites for heat-sensitive varieties like Riesling and Chardonnay.

Unique Geographic Features

What truly distinguishes Ancient Lakes is its namesake features: the ancient lake beds and potholes scattered throughout the region. These depressions, formed by the erosive power of the Missoula Floods, create localized microclimates and serve as sources of irrigation water. The proximity to these water bodies can moderate temperatures slightly and increase humidity in their immediate vicinity, creating mesoclimates within the broader AVA.

The basalt bedrock underlying the region, exposed in dramatic cliff faces and outcroppings, plays a crucial role in heat retention and reflection, extending the growing season and contributing to the region's thermal dynamics.

Terroir & Soils

The Missoula Floods Legacy

Understanding Ancient Lakes terroir requires understanding the Missoula Floods, one of geology's most dramatic events. Between 15,000 and 13,000 years ago, glacial Lake Missoula repeatedly burst through its ice dam, releasing walls of water that raced across eastern Washington at speeds up to 65 mph. These mega-floods scoured the landscape down to bedrock in some areas and deposited massive amounts of sediment in others.

The result in Ancient Lakes is a unique soil profile unlike any other wine region in the world. The floods left behind a complex mosaic of soil types, including deposits of gravel, sand, silt, and loess (wind-blown sediment) that settled after the floodwaters receded.

Soil Composition

Ancient Lakes soils are predominantly sandy loams, silt loams, and gravelly sandy loams overlying basalt bedrock. The Quincy series soils (the most common in the region) are characterized by:

Excellent drainage: The sandy, gravelly composition allows water to permeate quickly, preventing waterlogging and forcing roots to dig deep
Low fertility: Nutrient-poor soils naturally limit vine vigor, concentrating flavors in smaller berries
Warm soil temperatures: Light-colored, sandy soils reflect heat and warm quickly in spring, jumpstarting the growing season
Variable depth: Soil depth ranges from thin layers over bedrock to deeper deposits in ancient flood channels

Impact on Viticulture

The soil's porosity and composition have profound effects on grape growing. The rapid drainage means vines must be irrigated carefully, but it also means complete control over water delivery. The low fertility produces smaller berries with higher skin-to-juice ratios, concentrating flavors and tannins. The basalt bedrock's heat retention contributes to the region's overall warmth budget, helping grapes achieve full physiological ripeness even with the dramatic nighttime cooling.

The variability in soil depth and composition across the AVA allows for site-specific matching of varieties to terroir, deeper soils for vigorous varieties like Cabernet Sauvignon, shallower soils over bedrock for stress-tolerant varieties that benefit from natural vigor control.

Viticulture

Grape Varieties

Ancient Lakes has established itself as particularly well-suited for aromatic white varieties, though red wine production is increasing. The primary varieties include:

White Varieties (predominant):

Riesling: The AVA's signature variety, producing wines with electric acidity, intense aromatics, and remarkable aging potential
Chardonnay: Both Burgundian and New World styles thrive here
Pinot Gris: Showing excellent aromatics and weight
Gewürztraminer: Benefiting from the diurnal swing for aromatic intensity with balanced sugar levels
Sauvignon Blanc: Crisp, focused wines with herbaceous characteristics

Red Varieties (growing):

Merlot: Soft, approachable wines with good structure
Cabernet Sauvignon: Requiring careful site selection for full ripening
Syrah: Showing promise in warmer sites
Cabernet Franc: Increasingly popular for both varietal wines and blending

Acreage and Production

As of recent estimates, Ancient Lakes contains approximately 1,500-1,800 acres of planted vineyards, representing significant growth since its AVA designation. The region supplies grapes to over 100 Washington wineries, though many of these producers are located outside the AVA boundaries. Much of Ancient Lakes' fruit goes to some of Washington's most prestigious labels, testament to the quality potential recognized by winemakers statewide.

The Quincy area has seen substantial vineyard development, with large-scale vineyard operations planting hundreds of acres alongside smaller, boutique vineyard sites. This expansion reflects growing recognition of Ancient Lakes' distinctive terroir and quality potential.

Growing Season

The growing season in Ancient Lakes typically runs from late April budbreak through late October harvest, providing approximately 180-200 frost-free days. The region accumulates 2,800-3,200 Growing Degree Days (Celsius base 10), placing it in Region II to Region III on the Winkler Scale, comparable to Burgundy or Champagne but with far more sunlight hours.

Key growing season characteristics include:

Long sunlight hours: Summer days provide up to 16 hours of sunlight, maximizing photosynthesis
Frost risk: Spring frost remains a concern in low-lying areas, though the overall risk is moderate
Extended hang time: The combination of warm days and cool nights allows for extended ripening periods, developing complexity while maintaining acidity
Dry harvest: The arid autumn virtually eliminates harvest-time rain concerns, allowing grapes to hang until optimal ripeness

Viticultural Challenges and Advantages

Advantages:

Complete irrigation control allows precise water management
Low disease pressure due to arid climate reduces chemical inputs
Dramatic diurnal shift preserves acidity while achieving ripeness
Consistent growing conditions from vintage to vintage
Long growing season with ample sunshine

Challenges:

Water rights and irrigation infrastructure requirements
Winter cold can cause vine damage in extreme years (though rare)
Wind can be problematic, causing mechanical damage and increasing evapotranspiration
Remote location increases production and labor costs
Limited infrastructure for on-site winemaking

Wine Styles

Signature Wines and Profiles

Riesling stands as Ancient Lakes' calling card. The wines express a distinctly mineral-driven character with high natural acidity, intense citrus and stone fruit aromatics, and remarkable precision. Ancient Lakes Rieslings range from bone-dry to off-dry styles, with the best examples showing classic petrol notes with aging while maintaining vibrant fruit. The combination of diurnal temperature variation and extended hang time produces Rieslings with uncommon depth and aging potential for New World examples.

Chardonnay from Ancient Lakes demonstrates crisp acidity with stone fruit and citrus notes. Winemakers have found success with both oak-aged, malolactic styles showing buttery complexity and lean, mineral-driven, stainless steel-fermented expressions that emphasize the terroir's austere character.

Pinot Gris and Gewürztraminer showcase aromatic intensity with balanced sugar levels: the cool nights preserve the volatile aromatic compounds that can be lost in warmer regions, while sufficient warmth develops full flavors without excessive alcohol.

Red wines from Ancient Lakes tend toward elegant, medium-bodied styles rather than blockbuster expressions. Merlot shows supple tannins with red fruit characteristics and herbal notes. Cabernet Sauvignon, while requiring warmer sites, can achieve ripeness with more restraint and higher acidity than warmer Washington AVAs.

Distinction from Other Columbia Valley Sub-AVAs

Ancient Lakes wines are generally distinguished by:

Higher acidity compared to warmer regions like Red Mountain or Horse Heaven Hills
More pronounced mineral character attributed to the unique soil composition
Aromatic intensity particularly in white wines, rivaling Yakima Valley while showing different flavor profiles
Elegance and restraint rather than power and concentration
Remarkable consistency vintage to vintage due to the stable, dry climate

Quality and Price Points

Ancient Lakes wines span a range of quality tiers and price points:

Value tier ($12-20): Typically bottled under second labels or as Columbia Valley blends incorporating Ancient Lakes fruit
Premium tier ($20-35): Single-AVA designated wines from quality-focused producers, representing the sweet spot for quality-to-price ratio
Ultra-premium tier ($35-60+): Single-vineyard designations and reserve wines showcasing the terroir's highest potential

The region has yet to establish the ultra-luxury pricing of Red Mountain or Walla Walla Valley, making it an exceptional value for consumers seeking high-quality Washington wines.

Notable Producers & Vineyards

Leading Vineyards

Cave B Estate Winery deserves special mention as the pioneering winery with an estate presence in Ancient Lakes. Perched on a cliff overlooking the Columbia River gorge near Quincy, Cave B has championed the region since before AVA designation, producing estate wines and operating a resort that has brought wine tourism to the area.

Ancient Lakes Wine Company operates as a custom crush facility and vineyard management company, working with numerous Washington wineries to produce Ancient Lakes-designated wines.

Several large vineyard operations supply grapes to prestigious wineries throughout Washington:

Evergreen Vineyard: One of the region's largest and most important vineyard sources
White Bluffs Vineyard: Known for exceptional Riesling
Coyote Canyon Vineyard: Supplying fruit to multiple premium producers

Notable Producers Using Ancient Lakes Fruit

Many of Washington's top wineries source fruit from Ancient Lakes, even if they don't have estate vineyards in the AVA:

Chateau Ste. Michelle: Washington's largest and most influential producer utilizes Ancient Lakes fruit, particularly for Riesling
Pacific Rim Winemakers: Focuses heavily on Ancient Lakes Riesling
Poet's Leap (by Long Shadows): A Riesling-specialist label sourcing from Ancient Lakes
Browne Family Vineyards: Produces single-vineyard wines from the region
Mark Ryan Winery: Known for red blends incorporating Ancient Lakes fruit
Côte Bonneville: Premium producer sourcing whites from the region

Benchmark Wines

Benchmark wines that showcase Ancient Lakes' potential include:

Cave B Estate Riesling and Chardonnay (estate expressions of the terroir)
Chateau Ste. Michelle Ancient Lakes Riesling (demonstrates the AVA's potential at scale)
Pacific Rim Riesling bottlings (showcase different styles from the region)
Various single-vineyard designations from boutique producers focusing on terroir expression

Wine Tourism & Future

Visiting the Region

Ancient Lakes presents a frontier experience for wine tourists. Unlike the established wine routes of Woodinville, Walla Walla, or Yakima Valley, Ancient Lakes remains relatively undeveloped for tourism. This creates both challenges and opportunities for visitors seeking authentic, off-the-beaten-path wine experiences.

Cave B Estate Winery & Resort serves as the primary destination, offering:

Dramatic cliff-side location with gorge views
On-site lodging and restaurant
Cave tours and tastings
Concert venue hosting summer performances

The Wild Horse Monument and Ginkgo Petrified Forest State Park nearby provide additional attractions for visitors to the area.

Most wineries producing Ancient Lakes wines maintain tasting rooms in more accessible locations like Woodinville, Leavenworth, or Prosser, though they may offer vineyard tours by appointment.

Development and Trends

Ancient Lakes is experiencing steady growth in several areas:

Vineyard Expansion: New plantings continue as the region's reputation grows and land prices remain more affordable than established AVAs.

Variety Diversification: While white wines dominate, increasing experimentation with red varieties and alternative whites (Albariño, Grüner Veltliner) is occurring.

Sustainability Focus: The region's newer plantings increasingly incorporate sustainable and organic practices, with some vineyards pursuing formal certification.

Infrastructure Development: Investment in irrigation systems, frost protection, and vineyard infrastructure continues as the region matures.

Future Outlook

Ancient Lakes stands at an exciting juncture. The AVA has established its identity for high-quality white wines, particularly Riesling, while still exploring its full potential. Several factors suggest a bright future:

Growing Recognition: Wine critics and consumers increasingly recognize Ancient Lakes as a distinctive terroir worthy of attention
Climate Advantage: As climate change affects traditional cool-climate regions globally, Ancient Lakes' combination of warmth and dramatic diurnal variation positions it well for continued quality production
Value Proposition: The region offers exceptional quality-to-price ratios, appealing to both consumers and producers
Viticultural Knowledge: As growers gain experience with the specific challenges and opportunities of Ancient Lakes terroir, quality will continue to improve
Market Positioning: Ancient Lakes occupies a unique niche in Washington wine, cooler than the warmest regions but warmer than the coolest, with distinctive soils unlike anywhere else

The primary challenge remains building name recognition and establishing Ancient Lakes as a destination in consumers' minds, but the quality of wines emerging from the region suggests this is a matter of time rather than potential.

Conclusion

Ancient Lakes AVA represents one of Washington wine's most exciting stories: a geologically unique region producing distinctive wines that showcase what happens when desert terroir meets cool-climate sensibilities. Its dramatic landscape, carved by cataclysmic floods and shaped by millennia of wind and weather, produces wines of precision, aromatics, and elegant intensity.

For wine professionals, Ancient Lakes offers a compelling case study in terroir expression and the importance of matching variety to place. For enthusiasts, it provides an opportunity to explore wines of exceptional quality and value from one of Washington's most distinctive regions. As the AVA matures and its reputation grows, Ancient Lakes seems poised to join Washington's elite wine regions, recognized not as an imitation of any other place, but as an expression of something uniquely its own.