Manghen Pass The Manghen Pass () is a mountain pass in Trentino in Italy. It connects the Fiemme valley and Valsugana, linking Molina and Castelnuovo in the south. The pass road has a maximum grade of 16%. Commercial traffic is prohibited. The massive road climb from Val Sugana was featured in the 2008 Giro d'Italia cycle race. See also List of highest paved roads in Europe List of mountain passes Manghen Category:Fiemme Mountains