Buying a home in Gressoney-Saint-Jean
799 residents at the 2021 census, 1,051 buildings and 69.7 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Gressoney-Saint-Jean is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 91.8% of the territory of Gressoney-Saint-Jean has high or very high landslide hazard (P3 and P4), with 38.4% of the residents. 6.9% of the territory of Gressoney-Saint-Jean is in the flood area of the medium-probability scenario (P2), with 29.1% of the residents.
Find your address in Gressoney-Saint-Jean
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Gressoney-Saint-Jean compared
| ISPRA indicator | Gressoney-Saint-Jean | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 70.2% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 21.6% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 38.4% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 34.7% | 22.6% | 22.6% |
| Flood, high probability (P3) | 4.8% | 5% | 5% |
| Flood, medium probability (P2) | 6.9% | 7.3% | 7.3% |
| Flood, low probability (P1) | 8.8% | 9.2% | 9.2% |
| Residents in P2 flood areas | 29.1% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 26.7% | 11.1% | 11.1% |
Questions
Which seismic zone is Gressoney-Saint-Jean in?
Gressoney-Saint-Jean is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Gressoney-Saint-Jean is in landslide class P3/P4?
According to ISPRA’s mosaic, 91.8% of the territory of Gressoney-Saint-Jean has high or very high landslide hazard (P3 and P4), with 38.4% of the residents. By share of territory with landslide hazard P3-P4, Gressoney-Saint-Jean ranks 14th of 74 municipalities in the province of Valle d’Aosta.
How much of Gressoney-Saint-Jean is in flood scenario P2?
6.9% of the territory of Gressoney-Saint-Jean is in the flood area of the medium-probability scenario (P2), with 29.1% of the residents. By share of territory in the P2 flood area, Gressoney-Saint-Jean ranks 30th of 74 municipalities in the province of Valle d’Aosta.
Guides: seismic zone · landslides and floods · what to check before an offer. OMI prices: GEOPOI (how to read them).
Nearby municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Alagna Valsesia | 3 | 7.6% | 2.6% |
| Gaby | 3 | 93.2% | 6.2% |
| Brusson | 3 | 84.3% | 12.6% |
| Rassa | 4 | 6.3% | 1.7% |
| Gressoney-La-Trinité | 3 | 87.5% | 4.1% |
| Issime | 3 | 96% | 9.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on