Prata Camportaccio: what to know before buying a home
A municipality in the province of Sondrio, Lombardia. Official data on earthquakes, population, services and transport.
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Prata Camportaccio, the Valchiavenna along the Mera
Prata Camportaccio is a municipality in the Valchiavenna, in the north of the province of Sondrio, just south of Chiavenna. It covers the floor of the Mera valley, at around 350 metres, and climbs the wooded slopes on both sides. The Splügen road and the Colico to Chiavenna railway pass through, with a stop in the village: a useful link for people working in Chiavenna or heading down to Lake Como and Milan.
The valley is narrow and life happens down below: houses, businesses and services line the main road, while the slopes have smaller clusters and scattered houses. Buyers find detached houses and small blocks of flats on the valley floor and stone houses to restore higher up. Beyond Chiavenna the roads lead on to Switzerland, a short distance away.
Istat, the national statistics office, counted 2,923 residents in 2023, up 0.1% since 2011, so stable. The average age of 45.1 is below the provincial 46.8 and over-65s make up 21.9%. Foreign nationals account for 4.5%. Declared incomes are below the average for the province of Sondrio.
The municipality is in seismic zone 3, with an expected ground acceleration of 0.049 g, a low value. In an Alpine valley, water and slopes matter more: the report checks the official flood maps along the Mera and its side streams, and the landslide maps for the slopes, for the address. Climate zone E brings cold winters, with less sun in the deepest parts of the valley.
Key points
- Valchiavenna, Mera valley floor south of Chiavenna.
- Stop on the Colico to Chiavenna railway in the village.
- 2,923 residents, average age 45.1.
- Seismic zone 3, low acceleration (0.049 g).
Overview
Prata Camportaccio is a municipality in the province of Sondrio, in Lombardia. At the end of 2023 it had 2,923 residents, ranked 21 of 77 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Prata Camportaccio is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (64 of 77) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.049 g, a low value: the level with a 10% probability of being exceeded in 50 years, on rock.
Even in zone 3, seismic standards apply to new buildings: for an older building, ask about the design year and any structural work.
Population
Compared with the 2011 census, the number of residents is nearly unchanged. The estimated average age is 45 years, lower than the province average (47). 22% of residents are over 65 (the regional figure is 24%). Foreign residents make up 4.5% of the population. On average, a household has 2.4 members.
Income and climate
In tax year 2024, taxpayers in Prata Camportaccio declared an average taxable income of 20,183 euros, below the provincial average (23,822 euros). The Italian average is 24,895 euros.
Prata Camportaccio is in climate zone E, with 2,453 heating degree days: heating may be switched on from 15 October to 15 April, for up to 14 hours a day. The same table puts the town hall at 352 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Prata Camportaccio has 4 schools and 2 pharmacies. The Overture Maps data also lists 6 grocery shops and supermarkets, 1 healthcare facility and 2 sports facilities.
There are 2.1 grocery shops and supermarkets per 1,000 residents, more than the province average (1.0).
Public transport
Within the municipality there are 2 public transport stops, served by 1 bus line, 1 train line. That is about 0.7 stops per 1,000 residents.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 4.4% of the land in Prata Camportaccio, compared with 2.7% in the province and 12.2% in the region. In 2024 built-up land grew by 1.4 hectares.
Radon and contaminated sites
Prata Camportaccio is not among the radon priority areas designated by the Regione Lombardia in 2023. According to the ISPRA map, the estimated radon emission in the municipality is medium. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.
Official databases list no open contaminated sites in Prata Camportaccio; one has been cleaned up or closed.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Prata Camportaccio: the report checks the address against the ISPRA maps.
House prices
The Revenue Agency's price ranges per square metre (OMI) apply to zones, not to whole municipalities: the report gives the range for the address's zone.
Land registry
The cadastral maps for Prata Camportaccio are public: from the address the report finds the sheet and parcel number.
Liveability area by area
The Vicinalia liveability index runs from 0 to 100 and looks at the place, not the people who live there: services within walking distance, transport, green space, natural hazards, air, quiet, buildings and connection. Here it is worked out at the centre of each of the 28 inhabited census areas in Prata Camportaccio. Half of the residents live in areas scoring 68 or more.
Residents by band
- modest 0.2%
- fair 35.9%
- good 54.0%
- very good 9.8%
Vicinalia index by census area, licence CC BY-SA 4.0. Data: IdroGEO ISPRA (2026), Istat, INGV, EEA, AGCOM, Overture Maps and OpenStreetMap.
The colour is the value at the centre of the area. For an exact address, search for it above: the free check looks at that exact point. How the index is worked out
Data sources
- Seismic classification of municipalities, Dipartimento della Protezione Civile. Licence CC BY 4.0, updated to 2025-05.
- MPS04 seismic hazard model, INGV. Licence CC BY 4.0, 2004 model.
- Data by census section, Istat. Licence CC BY 4.0, residents at the end of 2023, compared with the 2011 census.
- Places, Overture Maps Foundation. Licence CDLA Permissive 2.0 and others depending on provider, release 2026-10-21.0.
- Public transport timetables (GTFS): Trenord, Regione Lombardia - Trenord, orari ferroviari (GTFS). Licence CC BY 4.0, version 20261111.
- Income and main IRPEF variables by municipality, MEF, Dipartimento delle Finanze. Licence CC BY 3.0 IT, tax year 2024.
- Climate zones and heating degree days of municipalities (Presidential Decree 412/1993, Annex A), Normattiva. Licence CC BY 4.0, current text.
- Land take, territorial dynamics and ecosystem services, ISPRA e SNPA. Licence CC BY 4.0, 2024 data.
- Predictive radon map by municipality, ISPRA. Licence CC BY 4.0, version 2022-11.
- Radon priority areas (Legislative Decree 101/2020), Regione Lombardia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Lombardia. Licence CC0 1.0 (pubblico dominio), updated to 15 November 2026.
- Liveability index by census area, Vicinalia, from the data in the report sections. Licence CC BY-SA 4.0, worked out on 30 September 2026.
- List of Italian municipalities, Istat. Licence CC BY 4.0, updated to 21 February 2026.
ISTAT code 014054. The text on this page is generated automatically from the data.