When the Andernach geyser awoke

In the "borehole" you follow the geyser water to the eruption

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After your stay in the Slate Cave you enter the next visually impressive area of the museum: the borehole. Watch out! A huge, two-metre drilling head seems to be breaking through the rock face right now. Fortunately, it is part of another breathtaking scenery. But why a borehole? And what does it have to do with the Andernach geyser?

In order to provide the carbon dioxide with a way out of the depths, a hole was drilled in the Namedyer Werth Peninsula. Normally, theCO2 would have slowly risen to the surface through small gaps and pores in the earth. But now there was a much faster way up. Now the highly pressurisedCO2 could escape all at once, and it did so with tremendous force - the Andernach geyser erupted for the first time. At that time, by the way, it was still called "Namedyer Sprudel".

But similar to the slate cave, here you will not only be amazed by the elaborate design. Various Exhibits are waiting to be tried out and examined by you. With hand drills, you find out for yourself how different types of rock behave, what density and degree of hardness they have. But your geyser expedition is not over yet, it continues!

Nature Geyser Background

Customer testimonials

Your opinions & experiences

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Nice excursion with a nice explanation. We had a very nice trip to the geyser. The geyser was very impressive to see. Special thanks to the staff, who were very friendly and helpful, and thus made the excursion possible for us (help due to walking disability).  

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Absolutely recommendable! In an interactive tour, you can learn about the formation of a geyser in a playful way. The absolute highlight is the boat trip to the geyser, where you can see the natural spectacle live.

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We were there with the whole family, grandparents, parents and children! There was something for everyone and it was very interesting! Just a super great day spent with the whole family!

Facebook Customer testimonial from

It is a wonderful hands-on museum. Even small children can try things out and explore here. Older children and adults learn a lot of new things. The accompanying boat trip is a highlight. The geyser experience at the end is just great. The staff are polite and nice. Very helpful. The museum is also suitable for prams. Parking is scarce, but with a bit of luck you can get to the...

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The boat trip to the geyser was informative and you were told how the geyser was formed. There was a lot of staff on site who were happy to share their knowledge. Talking to the staff was very helpful and informative.

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Thank you very much! 2022 season ends with 110,000 visitors

After 219 days of operation, the 2022 season ends at the geyser. In the past months, a total of 110,000 visitors were welcomed to the facility. On 26.03.2023 we start again in the new season. By phone we are still available for you under the telephone number 02632 - 958008 0 or by mail info@geysir-andernach.de.

We look forward to seeing you in 2023.

Your Geyser Team

Winter break Geyser Andernach