Sehenswürdigkeit Disentis Sedrun

Stausee Santa Maria

Stausee Santa Maria
Staumauer Sontga Maria

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Lukmanierpass mit Stausee
Sontga Maria reservoir at the Lukmanier Pass


The Sontga Maria reservoir, together with the Lai da Nalps and Lai da Curnera reservoirs, which are located in neighbouring valleys, forms a single water management system connected by tubes. The hydroelectric power plant is located in Sedrun

The 117 m high arch dam Santa Maria was completed in 1968. At the 560 m long wall crown the wall is 8 m wide, at the foot it measures 21 m. The lake is connected by an approximately 8800 m long pressure tunnel with the reservoir Lai da Nalps located northwest in a neighboring valley.

The discovery of a Roman coin treasure near Malvaglia indicates that the Lukmanier Pass had already been passed at that time


In 1374, the monastery built a hospice dedicated to St. Mary below the top of the pass.

In 1964, the hospice and chapel had to give way to the reservoir. Both were rebuilt on the pass road. The new hospice was inaugurated on August 1, 1965. 

Accessible by car

Opening hours


Stausee Santa Maria

Passhöhe Lukmanier, 7174 Curaglia

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