Kelsey Bench AVA

Kelsey Bench AVA - Lake County
The Kelsey Bench and Big Valley AVAs are closely linked by geography, topography and history. As runoff caused the Mayacamas’ young volcanic foothills of Kelsey Bench to erode over millennia, the ancient clays and deposits of Big Valley formed on the shores of Clear Lake, North America’s oldest lake, estimated to be two and a half million years old.

Volcanic Kelsey Bench and the gravel seams in Big Valley produce intense and balanced Zinfandels and Cabernet Francs.

Topography Originally a pyroclastic lava flow, Kelsey Bench is a transition between the volcanic mountains and the alluvial flood plain. It has a largely northeastern exposure.
Elevation Kelsey Bench vineyards are planted up to 1,600 feet. Higher elevations and Lake County’s pure air allow for greater levels of UV light, as much as 10% more than neighboring sea level valleys. This UV intensity triggers thicker skins, greater tannins, and intense wines with high phenolic content.
Soils Kelsey Bench forms an arc of rich, red volcanic soils. The evolving watershed has eroded into the fertile blocks of clay and loam soils of Big Valley resulting in swaths of gravel deposits and well-drained soils.
Acreage 3,288 acres (Kelsey Bench and Big Valley)
Climate Warms days are moderated by the thermal mass of Clear Lake. Afternoon breezes carry down from the ridges of the Mayacamas and initiate afternoon cooling that often results in 50° diurnal cycles, key to retaining acidity in mature wine grapes. Cold winters and dry summers allow for low rates of pesticide and other applications.
Varietals Sauvignon Blanc, Chardonnay, Viogner, Riesling, Cabernet Franc, Zinfandel and Merlot.

Lake County AVA Map

One-page overview of the Kelsey Bench AVA (PDF)

Calendar of Events

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LCWC Board Meeting 4:00 pm
LCWC Board Meeting @ LCWC Office
Dec 3 @ 4:00 pm – 5:15 pm
Agenda – LCWC Board Meeting, December 3, 2019
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Crop Insurance Webinar Series 10:00 am
Crop Insurance Webinar Series
Dec 4 @ 10:00 am – 11:00 am
Crop Insurance Webinar Series
Crop Insurance 101 As the harvest season wraps up, it’s time to start planning for next year. An important part of your 2020 planning process is risk management of your most valuable asset – –[...]
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Crop Insurance Webinar Series 10:00 am
Crop Insurance Webinar Series
Dec 11 @ 10:00 am – 11:00 am
Crop Insurance Webinar Series
Crop Insurance 102 Whether you are new to crop insurance or you’ve been purchasing it for many years, CAWG is committed to bringing you education on the most current industry topics. Our Crop 102 webinar[...]
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UCCE Lake & Mendocino IPM Seminar 7:30 am
UCCE Lake & Mendocino IPM Seminar @ UC Hopland Research and Extension Center
Dec 13 @ 7:30 am – 5:00 pm
22nd Annual UCCE Lake & Mendocino IPM Seminar   UC Hopland Research and Extension Center 4070 University Road, Hopland Rod Shippey Hall Friday, December 13, 2019 Doors open 7:30 am for Registration Seminar starts at[...]
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Crop Insurance Webinar Series 10:00 am
Crop Insurance Webinar Series
Dec 18 @ 10:00 am – 11:00 am
Crop Insurance Webinar Series
Whole Farm Revenue Protection Want to protect your crop against price and market losses? Maybe Whole Farm Revenue Protection (WFRP) is for you! Join CAWG on Wednesday, December 18th at 10:00 am to learn more[...]
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