Lieu-dit · Pierreclos
Les Maisons Neuves
Les Maisons Neuves is a lieu-dit in Pierreclos, Mâconnais, Burgundy, whose largest tier is regional.
3.56 ha
delimited
284 m
elevation
10.7 h
sun at harvest
Open on the mapWith the boundary, the plots, the sun through the year and the bedrock.
In figures
| Level | Regionalinao-aoc-viticoles-bulk (c. 4 September 2026) |
|---|---|
| Village | Pierreclos |
| Region | Mâconnais, Burgundy |
| Delimited | 3.56 hainao-aoc-viticoles-bulk (c. 4 September 2026) · cadastre-etalab (4 September 2026) |
| Planted | 1.75 hacadastre-etalab (4 September 2026) · ign-bdtopo-vigne (5 September 2026) · ign-rpg-2024 (5 September 2026) |
| Parcels | 17 |
| Grape variety | aligoté, chardonnay, melon, pinot blanc, pinot gris, gamay, pinot noir, césar also permitted: aligoté, chardonnay, gamay de bouze, gamay de chaudenay, melon, pinot blanc, pinot grisinao-cahiers-des-charges (7 September 2026) · dgddi-superficies-produits (7 September 2026) · franceagrimer-observatoire-viticulture (7 September 2026) |
| Organic | 10%agence-bio-cartobio (c. 5 September 2026) · agence-bio-operateurs (5 September 2026) |
Place in the village
Among the 51 named plots ranked regional in Pierreclos, from high to low:
Position
284 m
elevation
9.5%
firm
SSE
south-southeast
foot
concave fold
| Elevation | 284 m 278 to 298 mign-rge-alti (5 September 2026) |
|---|---|
| Daytime temperature | +0.30 °C by day, relative to the village centre at 326 m, ± 0.03 °Cmeteo-france-quotidiennes (6 September 2026) · meteo-france-postes (6 September 2026) · meteo-france-lsh (6 September 2026) · ign-rge-alti (5 September 2026) |
| Slope | 9.5% 5.5°ign-rge-alti (5 September 2026) |
| Aspect | south-southeast 167°ign-rge-alti (5 September 2026) |
| On the slope | 17% foot of the slope, in a concave hollow, 413 m drains onto itign-rge-alti (5 September 2026) |
Bedrock
- 32%Modern alluvium of the rivers 0.012–0 million years
- 2%Aalenian crinoidal limestone and iron oolite 175–169 million years
- 57%Carixian to Toarcian dark clay 193–175 million years
- 9%Sinemurian limestone with gryphaea 199.5–193 million years
Not a borehole: ordered by age, thickness by share of surface.
In the glass. Tends towards fuller, darker wine with firm tannin and somewhat less aromatic finesse. This substrate says little on its own: slope position and soil depth determine almost everything here. (weak indication)
Dark, often black-grey clays and marls with interbeds of fossil-rich limestone, formed in a calm and temporarily oxygen-poor sea of the Early Jurassic. This is the classic Lias of Burgundy: soft, plastic and quick to weather, so it rarely reaches the surface clean. In the soil it feels heavy and greasy, with hard limestone nodules here and there and belemnites or ammonites.
For the vine. Heavy clay with a large water-holding capacity, cold and wet in spring and late in budburst, but with a reserve that counts in a hot summer. Drainage is the bottleneck, because without slope water sits on the clay and the roots suffocate. Active lime is usually limited, so chlorosis pressure is lower than on limestone, but the soil is fertile and calls for vigour control.
Occurs mainly on the edges of the Côte chalonnaise and the Mâconnais, where faults have brought the Lias up.
BRGM geological map at 1:50,000. It tells vineyards apart, not plots within a vineyard. The link between rock and taste is indirect: soil depth, water and warmth do the work, and slope, vine age and the cellar do the rest. Units on that map: l3-4, Fz, l2, j1-2a.
brgm-bdcharm50 (4 September 2026)Sun and horizon
07:58
above the hill
18:37
behind the hill
10.7 h
sun at harvest
1.5 h
lost to the hill
Grey: sun up, but behind the hill or the vineyard's own slope.
Around harvest the sun rises here at 07:58 above the hill and disappears at 18:37 behind the hill: 10.7 hours of direct sun on a clear day. The ridge reaches 11.8° above the horizon to the west. The relief costs 0.5% of the irradiation from April to October, direct and diffuse together.
| Irradiation | +2.0% versus flat land 1,086 kWh/m² from April to October, 40% of it diffuseunder the average cloudiness of 2005 to 2023 (PVGIS-SARAH3, EU JRC); direct, diffuse and reflected light togetherign-rge-alti (5 September 2026) · ign-lidarhd-mnh (6 September 2026) · ign-bdforet-v2 (5 September 2026) · jrc-pvgis-sarah3 (10 September 2026) |
|---|---|
| Open sky | 98.4% of the sky the slope itself sees; the surrounding relief blocks the restign-rge-alti (5 September 2026) · ign-lidarhd-mnh (6 September 2026) · ign-bdforet-v2 (5 September 2026) |
Three reference days and the caveat
| rise | set | sun | day | |
|---|---|---|---|---|
| 21 June | 06:17 | 20:30 | 14.2 h | 15.8 h |
| 20 September | 07:58 | 18:37 | 10.7 h | 12.3 h |
| 21 December | 09:23 | 16:00 | 6.6 h | 8.6 h |
Computed from the IGN elevation model at 5 m: horizon in 36 directions up to six kilometres, sun position per minute, angle of incidence on the mean slope. Clear sky, with the tree canopy from the IGN forest inventory as a raised horizon (15 m closed forest, 5 m heath, trees within 60 m ignored), 38% of the far field is forest (BD Forêt), no buildings.
The irradiation loss does include clouds: the average of 2005 to 2023 (PVGIS-SARAH3, EU JRC), not any particular year.
Air and cold
22 m
above the lowest point
drains away
cold air
a combe
10.6 ha flows past
| Cold air | 22 m above the hollow, cold air drains awayign-rge-alti (5 September 2026) |
|---|---|
| Cold air passing through | 10.6 ha a combe, mean over the polygon 0.85 haign-rge-alti (5 September 2026) |
Planting
E-W
across the slope
1.16 m
between the rows
91%
vineyard in 1950
| Rows | E-W (98°) across the slope (69°), every 1.16 m, varies by plotmeasured over 1.7 of 1.7 ha plantedign-bdortho (6 September 2026) |
|---|---|
| Vineyard in 1950 | 91% abandoned since: 0.73 haassessed over 2.0 ha on the 1950-1965 aerial photographign-photos-historiques-1950-1965 (6 September 2026) |
Climate over time
station MACON, 219 m, 10.0 km away
growing season, April to October: 1951-1980: 15.4 °C, 1991-2020: 17.1 °C
Huglin index: 1951-1980: 1,718, 1991-2020: 2,022
last spring frost: 1951-1980: day 96, 1991-2020: day 85
series homogenised through 2022
The name
- maison
- house or barn. Ownership and saints · Gérard Taverdet, Noms de lieux de Bourgogne (2007)
This is about the words, not about this plot: the same name can have arisen differently elsewhere.
Who owns land here
0.75 ha of 3.56 ha delimited is registered to a legal entity
- GFA LE CLOS DE LA BRUNE11%
- SCEA DE MONTREVOST10%
- private individuals or unknown79%
- 0.38 ha GFA LE CLOS DE LA BRUNE GFA · land company
- 0.37 ha SCEA DE MONTREVOST SCEA · wine business · organic
Private individuals or unknown: 2.81 ha.
Share of the delimited hectares. Only legal entities are public in France; everything else stays unnamed. From the public register of legal entities (DGFiP), as of 1 January 2025. The owner is not always the one who works the vineyard: tenancy is common.
Nearby lieux-dits
- Enclos du Château Regional · 200 m
- La Pralle Regional · 200 m
- La Belouse Regional · 300 m
- Pré Marchand Regional · 300 m
- Champ Montagne Regional · 350 m
- En Fonsagny Regional · 350 m
- Les Fouchenières Regional · 450 m
- Le Fou Regional · 500 m
In the same village, measured between label points. That does not say which ones border each other; the map shows that.
Where each figure comes from
- Classification
- The INAO delimitation per denomination, cut against the cadastral parcel. Only the INAO's own plans are legally binding; this map is informational.
- Area
- Computed on the sphere from longitude and latitude (turf.area), not in Lambert-93. For an appellation this is the union of the INAO polygons across commune boundaries, measured on the unclosed geometry; the fifteen metres used to close the outline for the map are not counted. For a climat it is the union of the cadastral lieu-dit polygons with that name.
- Planted
- Parcel area times vineyard cover, where cover comes from the IGN vegetation layer supplemented by the agricultural declaration. Checked against the customs harvest declarations: median deviation 5.1 per cent over a hundred appellations.
- Elevation
- Mean of the elevation-model cells whose centre falls inside the polygon, on a 5 m grid.
- Slope
- Per-cell slope from the elevation model using Horn's method, then averaged over the cells in the polygon.
- Aspect
- Vector mean of the per-cell aspect. A plain average would turn north-east and north-west into south.
- Sun at harvest
- Hours of direct sun on 20 September under a clear sky, with the horizon in 36 directions out to six kilometres and the height of woods and buildings on top of it. Canopy height is measured where LiDAR HD covers the area and estimated from BD Forêt where it does not; the panel states which of the two was used.
- Grape variety by appellation
- Per appellation and colour the permitted varieties from the approved cahier des charges; per appellation and tier the declared hectares of white and red from the customs harvest declaration (product codes). One colour permitted: the main variety of that colour. Two colours: from 85 percent of the hectares that colour applies, in between it is called mixed. Champagne: the dominant variety from the planted hectares per variety per commune from FranceAgriMer. Per polygon the dominant variety of its parts by area. Derived, not measured: the variety per plot exists only in the customs vineyard register, which is not public. In a two-colour appellation a single plot may carry the other variety. Customs withhold small appellations (statistical secrecy), in which case the split is missing.
- Bedrock
- The geological unit covering the largest share of the polygon, from the 1:50,000 geological map. At 1:50,000 the map separates one climat from another, but not what varies inside a climat.
- Organic
- Share of the area certified organic or in conversion, from the CartoBio plot register.