Freizeit/Dienstleistung Heidiland

Mapragg Dam

Experience how energy is generated in the Tamina Valley!


Water from the Calfeisen valley and the neighbouring Weisstannen valley, is collected in the Gigerwald reservoir lake and channelled through turbines in the power stations Mapragg by Vadura and Sarelli by Bad Ragaz.


Individual visits: free of charge

Guided tours through the Central Mapragg and through the Gigerwald dam on request: free of charge

Contact: Kraftwerke Sarganserland AG, 7314 Vadura, T +41 81 303 56,

Opening hours

Guided tours through the Central Mapragg (Mon-Fri) or Gigerwald Dam (Mon-Fri):

Season: May - October Duration: 1 1/2 - 2 hours each

Group size: from 8 persons, groups from 20 persons are divided

Minimum age: Schools from 6th grade

Equipment/Requirements: Good footwear


Public Transport

By train to Bad Ragaz, change to bus 451 to stop/ Mapragg


By car about 20 minutes away from Bad Ragaz via Vättis

The central Mapgragg is located near Vasön, a little further forward in the Calfeisental than the Gigerwald dam. On hiking maps, both reservoirs are clearly recognizable.


Parking spaces are available at the head office


Responsible for this content UNESCO-Welterbe Tektonikarena Sardona.
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