The best for advanced skiers in Dolomites is Sellaronda.
This would give you access to the biggest ski carousel in Dolomites and access to famous slopes of val Gardena, Arabba etc.
It is a loop that runs either clockwise or counter clockwise around the massif of the Sella mountain range.
The sella Ronda covers 4 passes:
- Gardena Pass
- Sella Pass
- Pordoi Pass
- Campolongo Pass
4 Ladin valleys
- Alta Badia
- Val Gardena
- Val di Fassa
- Livinallongo
3 provinces
- Bolzano
- Trento e Belluno
Towns/villages with direct access are: Campitello, Canazei, Arabba, Val Gardena, Corvara, Alta Badia
Another interesting ski area is Marmolda glacier, you can access it from malga Ciapella or Alba di Canazei.
From Alba you can get to Sellaronda as well via Canazei (free ski bus).