Halter Ranch Vineyard

A 2,700-acre nature estate dedicated to land, art, and producing terroir-driven wine.

  • About
  • Vineyard Details
  • Varieties Grown
  • Press & Accolades
  • About
    Set along the westernmost boundaries of Paso Robles, California, Halter Ranch is a 2,700-acre nature estate nestled in the wild Santa Lucia Mountain Range. Established by Swiss entrepreneur and conservationist Hansjörg Wyss as a tribute to his mother, Alice, the estate features 256 acres of organically farmed vineyards, producing terroir-driven Rhône and Bordeaux-style wines like Grenache Blanc, Syrah, and the flagship Estate Reserve, Ancestor. Rooted in nature and crafted with care, Halter Ranch is dedicated to exceptional, timeless wines and sustainable practices, overseen by winemaker Kevin Sass.

    Winner of the Environment Award, California Green Medal: Sustainable Winegrowing Leadership Awards.
  • Vineyard Details
    • The estate vineyard was initiated in 1996 and has since been expanded to its present 256 acres. The vines occupy the steepest, most south-facing slopes on the property, which reach an elevation of 1,750 feet, are rich in limestone and provide excellent water drainage and sun exposure.
    • First Date Planted: 1996
    • Last Date Planted: 2023
    • Row Orientations: Varied
    • Row Spacings: Varied
    • Trellis Type: Head Trained, VSP (Vertical Shoot Positioning)
    • Rootstock: 1103P, 110R, 5BB, 420A
    • Irrigated/Dry Farmed: Irrigated and Dry Farmed
    • Soil Types: Primarily alluvial Monterey Series (calcareous clay and clay loam, with shale and sandstone deposits), including Ayar, Calodo, Cropley, Los Osos Variant, Nacimiento, Nacimiento-Sorrento, Sorrento, Zaca
    • Slope Description: Vines occupy the steepest, most south-facing slopes on the property as well as valley floor and one north facing.
    • Aspect: Varied
    • Harvest Method: Hand harvested & Machine Harvested
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  • Varieties Grown
    • Grenache Blanc | 6.93 acres

    • Picpoul Blanc | 23.61 acres

    • Vermentino | 4.74 acres

    • Viognier | 4.5 acres

    • Grenache | 35.42 acres

    • Mourvèdre | 4.02 acres

    • Syrah | 18.56 acres

    • Cabernet Franc | .75 acres

    • Cabernet Sauvignon | 86.14 acres

    • Malbec | 7.14 acres

    • Petit Verdot | 16.7 acres

    • Sauvignon Blanc | 3.21 acres

    • Alicante Bouschet | 5.32 acres

    • Carignane | 1.48 acres

    • Petite Sirah | 9.04 acres

    • Tannat | 8.88 acres

    • Tempranillo | 9.09 acres

    • Zinfandel | 3.75 acres

  • Press & Accolades

    Press

    Accolades

    • 2017 International Award of Excellence in Sustainable Winegrowing, Botanical Research Institute of Texas (BRIT®), Jan 2017, Gold Medal
    • 2016 Sustainable Winegrowing Leadership Awards, California Green Medal, Jun 2016, Green Medal (Environment)