You can reach Valsesia by taking the A4 Turin-Milan highway,
exit Agognate or Greggio, or by taking the A26
(Genova-Voltri-Sempione), exit Romagnano Ghemme. Then, go ahead along SS 299 up to Varallo Sesia where you will find the Park Authority Offices.
You reach the Park from the main valleys:
from Varallo, enter Val Mastallone leading to Fobello (18 km) and to
Rimella (20 km). Go ahead along SS 299 up to Balmuccia, turn right
entering Val Sermenza to reach Rimasco (20.5 km). From here, the road
divides, on the left towards Rima (7.5 km) and on the right towards
Carcoforo (7.5 km). From Balmuccia, going ahead along SS 299 you
reach Alagna (36 km from Varallo).