This power plant is a so-called diversion power plant. The principle is explained on the blackboard. If you drive towards it, you can see the two turbines of the plant through the windows. The highlight is that the part was built in 1899. Long before the climate crisis and since then it has been supplying electricity for around 700 people every year.

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P & C

January 8, 2026

Cycling

🌊 The Bettenberg run-of-river power plant south of Wildberg is a true technical gem and is considered the world's first tunnel power plant. It is a fascinating example of how topographical features were used for energy generation more than 100 years ago.

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P & C

January 8, 2026

Cycling

⚙️ Uniqueness

The tunnel principle: The power plant utilizes a distinctive bend in the Nagold River around the Bettenberg mountain. While the river laboriously flows around the mountain, the water is channeled directly through the mountain via a 320-meter-long tunnel.

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Informations

Elevation 380 m

Weather

Friday 3 April

15°C

6°C

55 %

Additional weather tips

Max wind speed: 16.0 km/h

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Location: Wildberg, Calw, Karlsruhe District, Baden-Württemberg, Germany

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Bettenberg Hydroelectric Power Plant

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Nagold Valley Cycle Path – Nagold River Cycle Path loop from Nagold

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