Buying a home in Courmayeur
2,615 residents at the 2021 census, 1,799 buildings and 209.6 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Courmayeur is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 95.7% of the territory of Courmayeur has high or very high landslide hazard (P3 and P4), with 26.9% of the residents. 14.6% of the territory of Courmayeur is in the flood area of the medium-probability scenario (P2), with 10.9% of the residents.
Find your address in Courmayeur
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Courmayeur compared
| ISPRA indicator | Courmayeur | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 61.1% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 34.5% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 26.9% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 41.9% | 22.6% | 22.6% |
| Flood, high probability (P3) | 7.3% | 5% | 5% |
| Flood, medium probability (P2) | 14.6% | 7.3% | 7.3% |
| Flood, low probability (P1) | 15.8% | 9.2% | 9.2% |
| Residents in P2 flood areas | 10.9% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 17% | 11.1% | 11.1% |
Questions
Which seismic zone is Courmayeur in?
Courmayeur is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Courmayeur is in landslide class P3/P4?
According to ISPRA’s mosaic, 95.7% of the territory of Courmayeur has high or very high landslide hazard (P3 and P4), with 26.9% of the residents. By share of territory with landslide hazard P3-P4, Courmayeur ranks 5th of 74 municipalities in the province of Valle d’Aosta.
How much of Courmayeur is in flood scenario P2?
14.6% of the territory of Courmayeur is in the flood area of the medium-probability scenario (P2), with 10.9% of the residents. By share of territory in the P2 flood area, Courmayeur ranks 5th 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 |
|---|---|---|---|
| Pré-Saint-Didier | 3 | 81.3% | 12.8% |
| Morgex | 3 | 66% | 6.3% |
| La Salle | 3 | 92.7% | 5.3% |
| Saint-Rhémy-en-Bosses | 3 | 87.8% | 8.2% |
| La Thuile | 3 | 94.2% | 4.4% |
| Avise | 3 | 89.1% | 5.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on