San Antonio Valley
AVA · Monterey County · District 7
27 CFR 9.194 · established 2006-06-08
Heat class IV · 1991-2020 normals
Climate normals in three numbers
, Apr 1 – Oct 31
56 GridMET cells cover this region
season rain, Apr 1 – Oct 31
22 mm of it in the , Sep 1 – Oct 31
Warm and cool vintages since 1980
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Rain across the season, and at harvest
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The boundary
Hovering a shaded region names it; a click opens its page.
Measured vineyard area
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Drought categories, year by year
Monterey County — not San Antonio Valley
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What's in the ground
6.4
pH, 1:1 water
11.3cm
, whole profile
95cm
to
Well drained
, dominant condition
Distribution across 131 · mean ◆, median │, p10–p90 bar
Dominant
- 43.9%
- 9.9%
- 8.3%
- 5.3%
- 4.4%
131 map units · soil described over 96.1% of the region’s area · 5.7% is water, rock outcrop or other non-soil · 72% of the described area has a restrictive layer within the profile.
Sand, silt and clay, against every other appellation
Loam
39% sand · 36% silt · 25% clay
Sandier than 33% of California appellations and clayier than 77%. Each grey point is one appellation’s topsoil; appellations nest, so this is a distribution of places rather than of land.
Plus 26% rock fragments by volume, which the triangle does not describe — the three fractions are of the fine-earth material only.
Elevation, slope and aspect
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Bearing acreage by variety
Monterey County · District 7
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Price per ton
Monterey County · District 7
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The appellation in federal law
The boundary, in the government’s own words (516 words)
(c) Boundary. The San Antonio Valley viticultural area is located in Monterey County, California. The boundary of the San Antonio Valley viticultural area is as described below: (1) The beginning point is at the southeast corner of section 14, T23S, R9E, on the Hames Valley map; (2) From the beginning point, proceed southeast in a straight line for approximately 5 miles across sections 24 and 25, T23S, R9E, and sections 30, 31, and 32, T23S, R10E, and section 5, T24S, R10E, to the southeast corner of section 5, on the Tierra Redonda Mountain map; then (3) Continue southeast in a straight line for approximately 3.25 miles through sections 9, 16, 15, and 22, T24S, R10E, to the mid-point of the eastern boundary of section 22 on the Bradley map; then (4) Proceed straight south for approximately 2.5 miles along the eastern boundary line of sections 22, 27, and 34, T24S, R10E, to the Monterey-San Luis Obispo County line; then (5) Follow the Monterey-San Luis Obispo County line west for approximately 7.0 miles, back onto the Tierra Redonda Mountain map, to the southwest corner of section 34, T24S, R9E; then (6) Proceed northwest in a straight line for approximately 17 miles, crossing sections 33, 32, 29, 30, and 19, T24S, R9E, and sections 24, 13, 14, 10, 9, and 4, T24S, R8E, on the Bryson map, section 5, T24S, R8E in the southwest corner of the Williams Hill map, section 32, T23S, and sections 23, 22, 15, and 16, T23S, R7E, on the Jolon map, to an 1,890-foot peak located approximately 2,100 feet west of section 8, T23S, R7E; then (7) Continue northwest in a straight line for approximately 9 miles, crossing the Alder Peak map between Milpitas Grant and Stony Valley, and sections 9, 4, and 5, T22S, R6E, on the Bear Canyon map, to a 2,713-foot peak located in section 5, T22S, R6E; then (8) Proceed east-northeast in a straight line for approximately 3.9 miles, passing onto the Hunter Liggett Military Reservation and crossing the San Antonio River, to a 2,449-foot peak on the Hunter Liggett Military Reservation; then (9) Proceed northeast in a straight line for approximately 2.5 miles, crossing Mission Creek, across sections 30 and 29, T21S, R7E, on the Cosio Knob map to the 2,530-foot peak of Cosio Knob; then (10) From Cosio Knob, proceed east-southeast in a straight line for approximately 9.5 miles across sections 29, 28, 27, 26, 35, and 36, T21S, R7E, sections 31 and 32, T21S, R8E, and sections 5, 4, 3, and 2, T22S, R8E, on the Espinosa Canyon map, to a 1,811-foot peak located in section 2; then (11) Proceed southeast in a straight line for approximately 10.4 miles across sections 2, 11, 12, and 13, T22S, R8E, and sections 18 and 19, T22S, R9E, on the Espinosa Canyon map, sections 19, 30, 29, 32, and 33, T22S, R9E, on the northwest corner of the Williams Hill map, and sections 4, 3, 10, 11, and 14, T23S, R9E, on the Hames Valley map, to the beginning point at the southeast corner of section 14, T23S, R9E.