Buying a home in Ollomont
158 residents at the 2021 census, 371 buildings and 53.5 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Ollomont is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 88.6% of the territory of Ollomont has high or very high landslide hazard (P3 and P4), with 51.3% of the residents. 10.6% of the territory of Ollomont is in the flood area of the medium-probability scenario (P2), with 50.6% of the residents.
Find your address in Ollomont
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Ollomont compared
| ISPRA indicator | Ollomont | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 76% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 12.6% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 51.3% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 37.7% | 22.6% | 22.6% |
| Flood, high probability (P3) | 4.9% | 5% | 5% |
| Flood, medium probability (P2) | 10.6% | 7.3% | 7.3% |
| Flood, low probability (P1) | 11% | 9.2% | 9.2% |
| Residents in P2 flood areas | 50.6% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 49.3% | 11.1% | 11.1% |
Questions
Which seismic zone is Ollomont in?
Ollomont is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Ollomont is in landslide class P3/P4?
According to ISPRA’s mosaic, 88.6% of the territory of Ollomont has high or very high landslide hazard (P3 and P4), with 51.3% of the residents. By share of territory with landslide hazard P3-P4, Ollomont ranks 24th of 74 municipalities in the province of Valle d’Aosta.
How much of Ollomont is in flood scenario P2?
10.6% of the territory of Ollomont is in the flood area of the medium-probability scenario (P2), with 50.6% of the residents. By share of territory in the P2 flood area, Ollomont ranks 15th 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 |
|---|---|---|---|
| Doues | 3 | 67.5% | 4.7% |
| Valpelline | 3 | 84.2% | 4.8% |
| Allein | 3 | 49.5% | 3% |
| Etroubles | 3 | 78.9% | 5% |
| Oyace | 3 | 96.3% | 1.7% |
| Saint-Oyen | 3 | 89.6% | 13.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on