AVA Wahluke Slope

The Wahluke Slope AVA lies in a unique position in Central Washington State anchored by the Columbia River on two sides and the Saddle Mountains to the north providing one of the driest and warmest climates in the state. This is used to an advantage in controlling the canopy and character of the fruit with drip irrigation giving grapes in this area unique complexity.

Wahluke Slope AVA Statistics

  • Broad south-facing slope with a less than 8% grade
  • Deep topsoil with windblown sand
  • Less than 6 inches of rain per year
  • 425-1480 feet in elevation
  • Produces smaller grape clusters than other AVA's

Source: Washington State Wine

Wahluke Slope H & S Vineyards

Characteristics

Elevation: 824-852 feet
Acres: 151
Timmerman loamy sand

GRAPE VARIETIES
  • Chardonnay

Wahluke Slope Mattawa 400 Vineyard

Characteristics

Elevation: 809-936 feet
Acres: 346
Burbank fine sand loam
Kennewick silt loam
Royal sand loam
Timmerman sand loam

GRAPE VARIETIES
  • Cabernet Sauvignon
  • Merlot
  • Pinot Gris
  • Riesling

Wahluke Slope Mattawa 13 Vineyard

Characteristics

Elevation: 859-935 feet
Acres: 135
Kennewick silt loam
Taunton silt loam
Finley - Taunton complex

GRAPE VARIETIES
  • Cabernet Sauvignon

Wahluke Slope Mattawa 1 Vineyard

Characteristics

Elevation: 798-937 feet
Acres: 227
Burbank fine sand loam
Finley - Taunton complex

GRAPE VARIETIES
  • Cabernet Sauvignon

Wahluke Slope Mattawa 8 Vineyard

Characteristics

Elevation: 796-841 feet
Acres: 68
Adkins fine sand loam
Kennewick sand loam
Taunton silt loam

GRAPE VARIETIES
  • Cabernet Franc
  • Merlot

Wahluke Slope Mattawa Vineyards

Characteristics

Elevation: 942-1,192 feet
Acres: 239
Kennewick fine sand loam
Koehler fine sand loam
Royal fine sand loam
Scoon silt loam
Taunton fine sand loam
Taunton - Finley complex

GRAPE VARIETIES
  • Cabernet Sauvignon
  • Cinsault
  • Grenache
  • Malbec
  • Merlot
  • Mourvèdre
  • Petit Verdot
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Roger Gamache

Gamache Vintners

"Working with Shaw Vineyards and company is working with honesty and integrity. I can't think of any other Viticulturist that is as knowledgeable and compassionate about creating the highest quality of wine grapes stylistically for his customers than Marshall Edwards. It's a fantastic team, Dick and Wendy Shaw, and Marshall Edwards. They truly move the bar of excellence up for the state of Washington."

"Wine is truly created in the vineyard with this company."

Where We Grow Our Vineyards

Vineyards at Sunset
Red Mountain

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Vineyard at Sunset
Columbia Valley

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Vineyard at Sunset
Horse Heaven Hills

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red wine grapes in bin
Wahluke Slope

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hand picking grapes
Yakima Valley

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Shaw-Vineyards-Candy-Mountain
Candy Mountain

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