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Lai da Marmorera – Lai da Marmorera loop from Tiefencastel

Lai da Marmorera – Lai da Marmorera loop from Tiefencastel

Hard

riders

Lai da Marmorera – Lai da Marmorera loop from Tiefencastel

02:48

49.4km

1,060m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 29, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 21.9 km for 94 m

Waypoints

Start point

Train Station

Get Directions

13.6 km

View of Sotgôt and the Surses Valley

Highlight • Viewpoint

View of the lower valley level – Sotgôt (Romanian for "beneath the forest") of the Oberhalbstein (Romanian: Surses), which stretches from Tiefencastel to Tinizong; view of Tinizong-Rona, Savognin, Cunter, and others. Although the view is located on a beautiful descent (from the direction of the Julier Pass), it's still worth a quick stop – even if your fingers are itching to "keep going"... ;-)

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14.4 km

Stone Fountain Water Refill

Highlight • Rest Area

21.9 km

Marmorera Dam

Highlight • Monument

Lago da Marmorera with some information boards and a beautiful view of the valley.

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21.9 km

Surgôt – Upper Surses (Oberhalbstein)

Highlight • Viewpoint

Upper valley level - Surgôt (Romanian for "above the forest") of the Oberhalbstein (Romanian: Surses); this extends from the Julier Pass via Bivio, Sur to Rona (Tinizong-Rona);

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22.2 km

Lai da Marmorera

Highlight • Lake

23.7 km

Lai da Marmorera

Highlight • Lake

Lai da Marmorera (reservoir)
The Lai da Marmorera is a reservoir in the municipality of Surses, which is operated by the Mittelbünden power plants of the Zurich City Electricity Works (EWZ). It can be reached from Tiefencastel or from the Engadin from the village of Silvaplana via the Julier Pass. The only village on the lake is Marmorera. Above the western end of the dam are the ruins of Marmels Castle.
The Marmorera Dam (Castiletto) was completed in 1954. The old Marmorera was flooded after the most important buildings had been blown up. The new Marmorera was built above the reservoir and the Julierpass road. Many residents chose to move away for economic and emotional reasons.
Text / Source Wikipedia
de.wikipedia.org/wiki/Lai_da_Marmorera

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24.8 km

View over the entire Lake Marmorera

Highlight • Viewpoint

Great view of the entire Marmorera reservoir from the beginning of the lake towards the north to the dam. In spring with little water. Attention: only accessible by bike and only with little traffic, as it is directly on the pass road.

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49.4 km

End point

Train Station

Way Types & Surfaces

Way Types

43.3 km

4.08 km

745 m

558 m

548 m

199 m

Surfaces

49.3 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,710 m)

Lowest point (850 m)

Weather

Thursday 16 July

21°C

12°C

99 %

Additional weather tips

Max wind speed: 8.0 km/h

to get more detailed weather forecasts along your route

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Lai da Marmorera – Lai da Marmorera loop from Tiefencastel

View of Sotgôt and the Surses Valley

Stone Fountain Water Refill

Marmorera Dam

Surgôt – Upper Surses (Oberhalbstein)

Lai da Marmorera

Lai da Marmorera

View over the entire Lake Marmorera

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