From Forcola Pass
Drive north on via Forcola. Take via Freita, then via Borch. Drive to via Rin. Cronox is on the left side of via Rin.
From Foscagno Pass
Drive north-west towards via Ameria. Get to via Isola, turn right onto via Picerin. Turn left on via Rin, the destination is on the left, at about 300 m.