 The summit of the Portjengrat has an elevation of 3,654 metres above sea level and is the tripoint between the valleys of Saas, Divedro (both in Valais) and Antrona (in Piedmont).It is the culminating point of the Antrona valley.The east side of the Portjengrat is covered by a glacier named "Zwischbergen Gletscher".