Buying a home in Porto Valtravaglia
2,266 residents at the 2021 census, 1,659 buildings and 16.4 km² of territory, Lombardia.
Porto Valtravaglia is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 1.6% of the territory of Porto Valtravaglia has high or very high landslide hazard (P3 and P4), with 3% of the residents. 36.1% of the territory of Porto Valtravaglia is in the flood area of the medium-probability scenario (P2), with 4.6% of the residents.
Find your address in Porto Valtravaglia
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Porto Valtravaglia compared
| ISPRA indicator | Porto Valtravaglia | VA | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.6% | 1.5% | 3.7% |
| Landslide, high hazard (P3) | 0% | 0.6% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 3% | 0.3% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.2% | 0.4% | 1.1% |
| Flood, high probability (P3) | 35.9% | 10.8% | 7.9% |
| Flood, medium probability (P2) | 36.1% | 13.1% | 10.2% |
| Flood, low probability (P1) | 37.6% | 16% | 20.3% |
| Residents in P2 flood areas | 4.6% | 2.2% | 4.4% |
| Buildings in P2 flood areas | 5.1% | 2.3% | 4.7% |
Questions
Which seismic zone is Porto Valtravaglia in?
Porto Valtravaglia is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Porto Valtravaglia is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.6% of the territory of Porto Valtravaglia has high or very high landslide hazard (P3 and P4), with 3% of the residents. By share of territory with landslide hazard P3-P4, Porto Valtravaglia ranks 29th of 136 municipalities in the province of Varese.
How much of Porto Valtravaglia is in flood scenario P2?
36.1% of the territory of Porto Valtravaglia is in the flood area of the medium-probability scenario (P2), with 4.6% of the residents. By share of territory in the P2 flood area, Porto Valtravaglia ranks 14th of 136 municipalities in the province of Varese.
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 |
|---|---|---|---|
| Castelveccana | 4 | 0.7% | 36.7% |
| Brezzo di Bedero | 4 | 0.7% | 39% |
| Brissago-Valtravaglia | 4 | 1.2% | 0.1% |
| Germignaga | 4 | 4.5% | 47.2% |
| Mesenzana | 4 | 3% | 3.8% |
| Casalzuigno | 4 | 0.3% | 1.3% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on