Opening hours
Here you will find the opening hours at Blaafarveværket, Haugfoss, Nyfossum and Koboltgruvene in 2026. Season opening is 9 May.
Værket
17 August – 4 October
| Tuesday - Sunday ** | 11-17 |
| ** Open Monday, 28 September (autumn holiday) |
The Cobalt Mines and the Kittelsen Museum
17 August – 4 October
| Tuesday - Friday ** | 13-16 |
| Saturday - Sunday | 11-17 |
| ** Open Monday, 28 September (autumn holiday) | 13-16 |
Nyfossum and Nymoen
17 August – 4 October
| Tuesday - Sunday ** | 11-17 |
| ** Open Monday, 28 September (autumn holiday) |
Haugfoss
17 August – 4 October
| Tuesday - Sunday ** | 11-17 |
| ** Open Monday, 28 September (autumn holiday) |