Areuapass (2508 m above sea level Pizzo Tambo (3279 m above sea level) In the west the deep gorge of the Val Curciusa, which belongs mostly to Mesocco, separates the mountain from the Einshorn (2944 m above sea level) Valley of the Tambo stream with the Tamboalp, behind which lies the Splügen Pass (2215 m above sea level) in the southeast.