Ferrera | |
|---|---|
![]() Location of Ferrera | |
| Coordinates: 46°33′N 9°26′E / 46.550°N 9.433°E | |
| Country | Switzerland |
| Canton | Grisons |
| District | Viamala |
| Area | |
• Total | 75.46 km2 (29.14 sq mi) |
| Elevation | 1,316 m (4,318 ft) |
| Population (December 2020) | |
• Total | 79 |
| • Density | 1.0/km2 (2.7/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| Postal code | 7444 |
| SFOS number | 3713 |
| ISO 3166 code | CH-GR |
| Localities | Innerferrera, Ausserferrera |
| Surrounded by | Andeer, Avers, Madesimo (IT-SO), Mulegns, Piuro (IT-SO), Pignia, Riom-Parsonz, Salouf, Sufers |
| Website | www.ferrera.ch |
Ferrera is a municipality in the Viamala Region in the Grisons, Switzerland. It was formed on 1 January 2008 through the merger of Innerferrera and Ausserferrera. Geographically, it covers the entire Ferrera valley.

The combined historical population of the two municipalities is given in the following table:
| year | population |
|---|---|
| 1808 | 167 |
| 1850 | 273 |
| 1900 | 162 |
| 1950 | 145 |
| 1960 | 405a |
| 2000 | 96 |
The municipality of Ferrera was established on 1 January 2008 through the merger of the formerly independent municipalities of Innerferrera (Romansh: Calantgil) and Ausserferrera (Romansh: Farera).
The municipality also includes an exclave in the otherwise Italian Valle di Lei. The exclave encompasses the area around the Lago di Lei dam and was formerly part of the municipality of Innerferrera.
| Languages | Census of 1980 | Census of 1990 | Census of 2000 | |||
|---|---|---|---|---|---|---|
| Number | Percentage | Number | Percentage | Number | Percentage | |
| German | 79 | 69.30% | 75 | 75.76% | 90 | 91.84% |
| Romansh | 33 | 28.95% | 21 | 21.21% | 1 | 1.02% |
| Italian | 0 | 0.00% | 2 | 2.02% | 3 | 3.37% |
| Population | 114 | 100% | 99 | 100% | 98 | 100% |
| Languages | Census of 1980 | Census of 1990 | Census of 2000 | |||
|---|---|---|---|---|---|---|
| Number | Percentage | Number | Percentage | Number | Percentage | |
| German | 29 | 58.00% | 28 | 58.33% | 44 | 93.62% |
| Romansh | 19 | 38.00% | 17 | 35.42% | 1 | 2.13% |
| Italian | 0 | 0.00% | 2 | 4.17% | 1 | 2.13% |
| Population | 50 | 100% | 48 | 100% | 47 | 100% |
| Languages | Census of 1980 | Census of 1990 | Census of 2000 | |||
|---|---|---|---|---|---|---|
| Number | Percentage | Number | Percentage | Number | Percentage | |
| German | 50 | 78.13% | 47 | 92.16% | 46 | 94.0% |
| Romansh | 14 | 21.88% | 4 | 7.84% | 2 | 6.0% |
| Population | 64 | 100% | 51 | 100% | 49 | 100% |
Innerferrera village in Ferrera has an average of 118.2 days of rain per year and on average receives 1,238 mm (48.7 in) of precipitation. The wettest month is August during which time Innerferrera receives an average of 158 mm (6.2 in) of precipitation. During this month there is precipitation for an average of 12.2 days. The month with the most days of precipitation is May, with an average of 13.3, but with only 141 mm (5.6 in) of precipitation. The driest month of the year is February with an average of 44 mm (1.7 in) of precipitation over 12.2 days.
Media related to Ferrera at Wikimedia Commons