Unit of estimation: total forest area; Forest coverage in % of the total area
| Jura | Mittelland | Pre-Alps | Alps | Southern Alps | Switzerland | |||||||
| altitude in m | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% |
| above 1800 | - | - | 1.1 | 15 | 86.4 | 2 | 19.4 | 4 | 106.9 | 2 | ||
| 1401 - 1800 | 3.0 | 9 | 1.2 | 15 | 37.1 | 3 | 152.5 | 1 | 47.7 | 2 | 241.4 | 1 |
| 1001 - 1400 | 59.9 | 2 | 4.3 | 8 | 91.0 | 2 | 108.7 | 2 | 44.9 | 2 | 308.9 | 1 |
| 601 - 1000 | 81.9 | 2 | 89.2 | 2 | 81.6 | 2 | 58.2 | 2 | 38.8 | 2 | 349.8 | 1 |
| less than 601 | 55.9 | 2 | 132.2 | 1 | 9.5 | 5 | 9.2 | 5 | 20.3 | 3 | 227.0 | 1 |
| Total forested area | 200.7 | 1 | 226.9 | 1 | 220.3 | 1 | 415.0 | 1 | 171.2 | 1 | 1234.0 | 0 |
| % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | |
| Forest coverage | 40.7 | 0.3 | 24.1 | 0.2 | 33.3 | 0.3 | 24.7 | 0.2 | 48.3 | 0.4 | 29.9 | 0.1 |