장크트 토마스‬에서 가장 멋진 ‪20‬개의 천연기념물

Beautiful view over the Eifel heights

Whether the small Brubbel or the large cold water geyser in Andernach. I find it uniquely beautiful when the water shoots up for a moment.

Every 35 minutes the eruption starts with a beautiful column of water up to 4 meters high. After that the water continues to "bubble" for about 5 minutes. Then the source goes back to rest for 30 minutes and then it starts all over again. Der Wallenborn, the cold water geyser, is very nice to take with you when visiting the area.

Here you have a very nice view of the Maar.

The enchanting Meerfelder Maar lies in the middle of the largest Maar funnel in the Eifel. This maar is at least 30,000 years old and takes up about half the space of the maar funnel. The idyllic village of Meerfeld nestles against the steep southern slopes of the other half.

A very nice section above Von Meerfeld and Deudesfeld.

"... A seemingly peaceful fountain awakens and begins to bubble. Suddenly a fountain of 9°C cold water shoots into the sky, bubbling up for six minutes. Then the spook is over just as quickly as the "bubbling" like that Locals affectionately call their phenomenon, calms down. The basis for this natural spectacle is a carbonated spring, one of which there are hundreds in the Eifel. In the early 1930s, Wallenborn wanted to use this industrially and started drilling. But when they tried, chunks of earth and water flew around their ears. They had stumbled upon a chamber in which rising CO2 was collecting and pouring out with force and water to the surface. The fact that the "Brubbel" still spits out at such regular intervals today can be explained by means of a comparison: Similar to a soda bottle that is shaken, the pressure in the underground chamber increases. At some point – after 35 minutes to be precise – this exceeds the pressure of the water column above it. The Wallende Born was born - the cold water geyser in the Eifel. ..." https://www.eifel.info/a-wallender-born

For a small fee of 1.50 admission you can have a look at this cold water geyser in Wallenborn. It's also worth taking the Brubbelpfad. There's more to discover.