StadiumStade de Tourbillon
| Current capacity of the stadium |
| Standing | 27 600 |
| Seats | 20 000 |
| Tribune | 15 400 |
| Seats for sponsors | 7 000 |
| Fans attended |
| 25. 5. 2025 | FC Sion-FC Bayern DO Munchen | 7 441 |
| 14. 2. 2025 | FC Sion-Waldenburg | 9 889 |
| 7. 2. 2025 | FC Sion-BSK Beograd A | 10 777 |
| 31. 1. 2025 | FC Sion-Riggisberg | 11 054 |
| 3. 1. 2025 | FC Sion-MK Melbourne | 11 756 |
| 3. 1. 2025 | FC Sion-GIF Sundsvall | 12 225 |
| 3. 1. 2025 | FC Sion-Vallecano | 12 159 |
| 3. 1. 2025 | FC Sion-Yaroslavl | 12 273 |
| 31. 12. 2024 | FC Sion-Heroes de Falcon | 12 145 |