Piz Segnas is a mountain in the Glarus Alps , located on the border between the cantons of Glarus and Graubünden. Piz Sardona is on the same ridge to the north, from where the Trinserhorn or Piz Dolf lies to the southeast. The Tschingelhoerner with the famous Martinsloch (hole of St.Martin) lies to the west, with the Pass dil Segnas between the two mountains.

The mountain lies in the municipalities of Flims , in the canton of Graubünden, and Glarus Süd , in the Canton of Glarus . The nearest settlements are the villages of Flims, to the south, and Elm, to the west. A path crosses the Pass dil Segnas between the two villages.