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Routes
Places to see
Natural Monuments
Switzerland
Nordwestschweiz
Aargau
Bezirk Zurzach

Lengnau

Routes
Places to see
Natural Monuments
Switzerland
Nordwestschweiz
Aargau
Bezirk Zurzach

Lengnau

The Top 20 Natural Monuments around Lengnau

Lengnau’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 20

beautiful natural monuments around Lengnau. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!

Last updated: November 14, 2025

Klingnau reservoir - observation tower

Highlight • Lake

The Klingnau Reservoir is an artificially dammed lake in the Swiss canton of Aargau. It lies in the Jura north of the so-called water castle of Switzerland, on the lower …

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Confluence of the Limmat and Aare

Highlight • River

A great viewpoint of the confluence of the three rivers right on the cycle path. Directly opposite, the Limmat flows into the Aare and a few hundred meters upstream, the Reuss. Also a nice place for a rest!

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Burghorn

Highlight • Summit

Bench for a promising break at the highest point of the camps.

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Weiacher Höhe

Highlight • Trail

The "Stein" is a 547 meter high molasse mountain southeast of the town of Weiach. On top of the sandstones and marls of the molasse lies a layer of so-called …

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Chly Rhy Nature Reserve

Highlight (Segment) • Natural Monument

The Rheinaue Rietheim «Chly Rhy» is the largest floodplain area on the Rhine in the canton of Aargau with an area of 35 hectares. It is located in the municipality …

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Erdmannliloch

Highlight • Cave

According to the forest law of the canton of Zurich, the Erdmannliloch may not be visited by bike. The Erdmannliloch can be visited on foot.

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Gabenchopf Quarry

Highlight • Structure

The existing plant in Siggenthal since 1912 is one of the largest cement plants in Switzerland. The plant produces more than 900,000 tonnes of cement annually and employs around 110 people. The raw materials are supplied by the quarry Gabenchopf.

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Nesting wall for sand martins

Highlight • Structure

Sand Martins naturally build their 80 cm long burrows in sand walls of dynamic rivers. However, since the dynamics of the watercourses have been severely restricted, many such sand walls …

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Bank Swallow Nesting Colony

Highlight • Natural Monument

So when the swallows are there - very interesting to look at ...
Otherwise just a sand hill with holes 😉

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Heidenwybliloch Cave

Highlight • Cave

The legend of the Heidewybliloch

In ancient times, goblins and forest shrubs lived on the Oberehrendinger Steinbuck, called "s’chlyne Volch" or "Heidevolch" by the locals. People told each other that …

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BirdLife Nature Center Klingnauer Reservoir

Highlight • Lake

The reservoir was "discovered" by ornithologists as early as 1938, and since the early 1940s the number of observers, especially on weekends, has steadily increased.
Even in winter people come …

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Extend your search for the best caves by checking out these guides of the top ones around Lengnau:

LeuggernSchneisingenFull-ReuenthalBöttsteinLeibstadtWislikofenKlingnauRekingenBaldingenBöbikonRümikonEndingenSiglistorfTegerfeldenDöttingenMellikonRietheimBad ZurzachFisibachKaiserstuhl

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