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Domaine des Pierres Blanches
Bonnieux, Luberon, Vaucluse · 43.8267°N, 5.3083°E
23 haTotal area
1780Mas principal
2019Acquired
Feb 2026Last reading

Domaine des Pierres Blanches

Late February 2026 · Dormancy ending · Almond blossom imminent · Last reading: 18 Feb
System health
Soil vitalityDeclining
Water cycleAt risk
MicroclimateUnderused
Fire resilienceUnmanaged
BiodiversityBelow baseline
Building envelopeGood
Family relationshipForming
Foundational question, unanswered
This estate has no vision for what 23 hectares should become.

The family bought the land but built a relationship only with the house. €110,000/yr maintains a landscape nobody uses. Fire risk accumulates because nobody decided what the garrigue is for. Water leaves because nobody designed it to stay. Every tactical decision, where to plant, what to cut, what to build, is a guess until the family decides what this place is actually for.

€164,700 Annual carrying cost
€110k grounds / €22k buildings / €18.5k insurance / €14.2k utilities
22 Observations logged
4 Earth · 5 Water · 3 Air · 4 Fire · 6 General
3 / 23 ha Area actively used by family
87% of property maintained but uninhabited
Observation patterns by element (past 6 months)
Earth
Water
Air
Fire
Sep Oct Nov Dec Jan Feb

Water observations cluster around storm events. Earth observations increase with the site reading schedule. Fire activity spiked in January with the SDIS walkthrough. Air data is sparse until the weather station was installed in November. Pattern: most observation happens reactively (after events) rather than proactively (before seasons).

Your dashboard is configured around your property's actual systems, seasonal cycles, and team activity. The intelligence compounds over time.

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Place intelligence

Key finding6 observations

This property has been maintained for six years. It has not been listened to.

The 2019 acquisition included a €1.4M renovation of the mas principal focused on interior comfort. The 23 hectares of land received no assessment and have no strategy. Annual maintenance spend is €145,000, almost all of it mowing and pool upkeep. The land is being kept tidy. Nobody has asked what it's doing, what it needs, or what it could become.

The family uses approximately 3 hectares of the property. The remaining 20 hectares are maintained for an idea of how a Provençal estate should look. That idea costs €110,000 a year and produces nothing except a lawn.

Based on: acquisition docs, 4 estate manager observations, 2 site readings →

WHAT FOLLOWS IS BUILT FROM ACTUAL SITE READINGS, NOT TEMPLATES

Four elements. Four readings. One property learning to speak.

Foundation, boundaries, what holdsEarth

What holds this place

Urgonian limestone underneath. Thin topsoil on exposed slopes, deeper in the northeast. The old lavender terraces record sixty years of cultivation followed by six years of neglect. The soil in the oak woodland is alive and building. The soil in the lavender fields is depleted and eroding. The terraces themselves, the stone walls, still hold. They remember the work that was done here before the family arrived.

The children play in the oak woodland, not the formal garden. The family has not been asked why. The answer may be that the woodland is the only part of the estate that feels like an actual place rather than a maintained surface.

Based on: Jan site reading, 3 estate manager obs, soil sampling Dec 2025 →
Who was here before, and what did they know about this land that you don't?
The terraces were built by people who understood this slope's relationship with water. The lavender was planted by people who understood the soil's capacity. The acquisition documents contain none of this knowledge. The estate has no institutional memory predating 2019.
Flow, what moves through, what's beneathWater

Where water goes when nobody's paying attention

680mm of rain falls on 23 hectares every year. All of it leaves the property as fast as it arrives. There is no interception, no storage, no slowing. The roof area of four structures captures roughly 480,000 litres annually, all directed into the storm drain. The garden uses 220,000 litres of expensive municipal water per season. The swimming pool takes another 35,000. Rain leaves. Purchased water arrives.

The well level has dropped 2.3 metres in a decade. Municipal restrictions now apply every summer. The estate's relationship with water is extractive: take what you need, let the rest go. The land's relationship with water is the opposite: every terraced slope, every contour, every depression was shaped to hold and slow it.

Based on: Jan site reading (rain event), well records 2015-2026, municipal billing, climate station →
What if you stopped buying water and started working with what falls from the sky?
Rainwater collection on all four structures plus terrace infiltration restoration would cover 70-80% of current irrigation demand. The investment pays back in five years on water costs alone. But the deeper shift is relational: from extracting a resource to participating in a cycle.
Breath, perspective, what speaksAir

The Mistral has been trying to tell you something

The outdoor terrace faces southwest with full Mistral exposure. The family abandons dinner outside roughly a third of summer evenings. The sheltered zone behind the east wing of the mas, which has good morning light and natural wind protection from the hillside, is used for bin storage.

The 2021 renovation installed €85,000 of air conditioning into a building with 80cm limestone walls. Those walls have thermal mass that naturally moderates temperature across diurnal cycles. With proper ventilation strategy, the mechanical cooling load could drop 60-70%. The building already knows how to breathe. The renovation didn't ask.

Based on: weather station data (3 yrs), Feb Mistral event, estate manager usage log, 2021 reno specs →
Where on this property does your body actually want to be in July?
Not where the terrace is. Not where the view is best. Where the air is comfortable, the wind is gentle, the shade arrives when you need it. The answer is different in the morning, afternoon, and evening. The estate has three natural comfort zones. The family currently uses none of them for living.
Transformation, risk, what changes everythingFire

What happens here if fire comes through

The Luberon has had three significant wildfire events in the past decade. This estate sits in the commune's PPRIF Zone B2. The defensible space around the structures is non-compliant. The garrigue carries high fuel loads because nobody manages it. The ornamental planting between the wild land and the house includes high-oil species that would carry flame directly to the building.

The swimming pool is not accessible to fire service pumps. A fire here gets helicopter response (20-40 minutes) rather than ground response (8-12 minutes). The insurance company has noticed. Premiums have risen 38% since acquisition and are projected to continue at 12-18% annually without mitigation.

Based on: SDIS walkthrough Jan 2026, PPRIF classification, insurance correspondence, 3 yrs premium data →
Scenario: What if you stopped mowing?

The old lavender terraces are mowed every three weeks at a cost of €8,000-12,000 per year. The mowing prevents soil recovery, destroys insect habitat, accelerates erosion, and produces a surface that looks maintained but is ecologically dead. What happens if you stop?

Continue mowing

€8-12k/yr. Soil continues declining. Erosion accelerates. Insurance risk unchanged. Appearance maintained.

Stop and let it recover

€0/yr. Natural regeneration begins. Ground cover stabilises soil within 18 months. Wildflower meadow within 3 years.

Year 1: Looks the same. Costs the same. Soil organic matter continues declining (currently 1.2%, healthy minimum is 3%). Terrace erosion channels deepen with each autumn storm. You're paying money to prevent recovery.
Year 1: Looks unkempt to visitors used to mowed landscapes. Feels like neglect. Native grasses and ground cover colonise bare soil. Erosion slows. Year 2: Wildflowers appear. Soil temperature stabilises. Insect population increases. The area becomes noticeably different from the mowed sections. Year 3: Meadow established. Soil organic matter begins climbing. The children start playing here too. It looks intentional now. It looks like someone decided what this land should actually become.
Scenario: Close the water loop

The estate currently buys 255,000 litres of municipal water per season while 480,000 litres of rainwater leaves via the storm drain. What if you captured what falls?

Minimum intervention

Roof collection on mas principal only. 180,000L storage. €18,000 installed. Covers 70% of garden irrigation.

Full water strategy

All four roofs. Terrace infiltration restored. Greywater recycling. €45,000 installed. Water-independent in average rainfall years.

Investment: €18,000. Annual saving: €4,800 in water costs. Payback: 3.7 years. Still dependent on municipal supply for 30% of garden needs. Still vulnerable to summer restrictions but significantly less exposed.
Investment: €45,000. Annual saving: €6,800 plus avoided restriction penalties. Payback: 6.6 years on direct costs alone. In a normal rainfall year, the estate handles its own water. The terrace infiltration reduces erosion, recharges the well, and begins healing the lavender field soil. The systems reinforce each other.

Every finding, question, and scenario you see here was generated from six months of place intelligence. Your system would be built from your land's actual data, read by someone who knows how to listen.

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Open decisions

Urgent

Stop mowing the lavender terraces

Saves €8-12k/yr. Allows soil recovery. Costs nothing. Every mowing cycle that passes is another setback. Spring window is now.

Urgent

Commission fire mitigation plan

Defensible space, fuel management, emergency water point, access road. €35-45k. Self-funding through insurance savings within three years. SDIS walkthrough in January confirmed the vulnerability.

This season

Install rainwater collection

480,000 litres/yr currently lost. Even minimum intervention (€18k, mas roof only) covers 70% of garden irrigation. Full strategy (€45k) achieves water independence in average years.

This season

Ground cover in olive groves

Clover, vetch, native ground cover. Reduces irrigation 30-40%, rebuilds soil. Spring planting window: March to mid-April. €3-5k.

Strategic

Develop 10-year land strategy

The estate has no vision for what 23 hectares should become. Without it, every other decision is a guess. The children have started something in the woodland. That may be the starting point.

In your system, decisions are assigned to team members with timelines and budgets. The AI tracks progress and flags when windows are closing.

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Estate team

Marc Duval
Estate manager · On-site
Active
Last observation: 18 Feb (terrace erosion). On-site daily. Primary contact for contractors and seasonal staff.
Document terrace wall condition (Feb reading)
Get quotes for terrace wall repair (NE third wall crack)
Stop mowing lavender terraces (awaiting family approval)
Prepare olive grove for ground cover planting (March)
8 observations 4 open tasks Access: Operational
Dr. Isabelle Renard
Ecologist · Consulting
Quarterly
Last visit: 3 Feb (owl survey, garrigue assessment). Next scheduled: April (spring biodiversity baseline).
Barn owl survey and pellet analysis
Garrigue species inventory
Spring biodiversity baseline (scheduled April)
Advise on lavender terrace regeneration species
3 observations 2 open tasks Access: Full
Capitaine Besson
SDIS Bonnieux · Fire service liaison
As needed
Last visit: 15 Jan (access and defensibility assessment). Recommended: 10,000L water point, access road clearance.
Site walkthrough and access assessment
Review fire mitigation plan (when commissioned)
Verify water point specification
2 observations 2 pending Access: Read-only
Weather station (automated)
Davis Vantage Pro · South terrace
Online
Continuous monitoring since Nov 2025. Logs temperature, humidity, wind speed/direction, rainfall, barometric pressure. Auto-flags events exceeding thresholds.
Feb Mistral event logged (85 km/h gusts)
Jan rainfall event logged (45mm/6hr)
6 auto-observations 0 pending Access: Data feed
J. Petroni
Listen Advisory · Property intelligence
Retainer
Quarterly site readings. Last reading: 28 Jan (rain event observation). Synthesises observations into findings. Manages the intelligence system.
January site reading and synthesis
March spring transition reading (scheduled)
Commission fire mitigation plan (sourcing contractors)
Present 10-year land strategy framework to family
5 observations 3 open tasks Access: Full + Admin
Martine Lefèvre
Family office · Oversight
Monthly review
Reviews quarterly reports. Approves budgets for recommended interventions. Last review: January carrying cost analysis.
Approve fire mitigation budget (€35-45k)
Review water capture proposal (€18-45k)
Schedule family strategy session (10-year vision)
0 observations 2 pending approvals Access: Strategic

Your team view is configured around your actual people, roles, and workflows. Tasks auto-generate from decisions and findings. Everyone sees their piece of the picture.

See what this looks like for your team
Log observation
It's late February. The soil is warming, almond blossom is close, and the last Mistral event was ten days ago. What have you been noticing on the property?
Ask the land
I have the full context of this property: soil data, water systems, microclimate readings, fire risk, family usage patterns, and six months of observations. What do you want to know?
Demo responses are pre-written. In your system, the AI draws on your property's full observation history. Try it with your data →
Run scenario
Scenarios model a decision across all four elements before you commit. I'll need a few details first. What are you considering?
Live scenarios model across all four elements with cost projections and timelines. Run a real scenario for your property →