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Switzerland
Zurich
Andelfingen

Kohlfirst

Top 5 Natural Monuments in Kohlfirst

Natural monuments in Kohlfirst offer diverse natural features for exploration. The region presents a landscape characterized by its natural formations, including viewpoints, historical caves, and significant geological outcrops. These natural features provide opportunities to experience the area's topography and natural heritage. Kohlfirst is a destination for those interested in discovering local landmarks and natural points of interest.

Best natural monuments in Kohlfirst

  • The most popular natural monument is Uhwieser Hörnli, a viewpoint that features the smallest observation tower in the canton of Zurich. It offers views to the south and west, along with a playground and barbecue areas.
  • Another must-see spot is Alemanni Cave, a cave with historical significance. Excavations in the 1930s revealed charcoal-bearing layers with finds from the Middle and Younger Stone Ages, as well as from the Roman period.
  • Visitors also love Quarzsand Quarry, Benken Nature Reserve, a natural monument with a fossil-rich quartz sand pit. The 40-meter high quarry wall is preserved as a geological outcrop of national importance.
  • Kohlfirst is known for its viewpoints, historical caves, and geological features. These natural monuments offer a variety of natural features to see and explore.
  • The natural monuments in Kohlfirst are appreciated by the komoot community, with more than 90 photos and over 95 upvotes.

Last updated: June 30, 2026

Alemanni Cave

Highlight • Cave

The cave was first examined around 1898 by Mr. Stauffer from Frauenfeld. His research from that time apparently remained fruitless. Only large-scale excavations by geologist Emil Stauber between 1934 and 1935 then provided charcoal-bearing layers with finds from the Middle and Younger Stone Ages, as well as from the Roman period. (Source: Office for Archeology, Thurgau)

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Uhwieser Hörnli

Highlight • Viewpoint

Although the tower is only 10 meters high and thus the smallest observation tower in the canton of Zurich, but its views to the south and west can be seen. In addition, the Uhwieser Hörnli offers a great playground and several barbecue areas with seating, sometimes even covered.

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Quarzsand Quarry, Benken Nature Reserve

Highlight (Segment) • Natural Monument

The fossil-rich quartz sand pit has been mined since its discovery in 1836. The forest had to be cleared several times to allow the quartz sand to be extracted further. In 1983, however, the exploitation of quartz sand had to be stopped because the government council rejected further requests for clearing. The factory facilities were dismantled in the same year and the basic area was prepared for reforestation. The 40 meter high quarry wall will be preserved as a geological outcrop of national importance. - In summer you can admire several species of gorse and orchid here. The light, reforested forest, mostly made of birch, is simply beautiful. - Several information boards explain various aspects of the nature reserve and the former quartz sand pit; the boards could do with a refresh, because many of the images are already too yellowed and unfortunately hardly recognizable.
For information and more pictures see:
benken-zh.ch/dorfleben/kultur-und-sehenswuerdheiten/quarzsandwerk.html/129 and
schaffhausen-geschichte.ch/quarzsand-benken-zh.html

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The Four Douglas Firs

Highlight • Natural Monument

A group of trees with 4 magnificent Douglas firs that are over 100 years old.

- The common Douglas fir (Pseudotsuga menziesii), often just Douglas fir or colloquially also known as Douglas fir, Douglas spruce, Douglas pine or Oregon pine depending on its origin.

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Birch Forest in Quarzsandgrube Nature Reserve

Highlight (Segment) • Forest

Enchanting, light forest with lots of birch trees. Belongs to the site of the former quartz sand works. Here it was backfilled and reforested.

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Tips from the Community

Iris Benz
March 3, 2025, Uhwieser Hörnli

Great view from the Hörnleturm

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3

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Sunrise74
January 10, 2025, Uhwieser Hörnli

Small but very very nice!

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🇨🇭Biker
September 29, 2024, Alemannenhöhle

Very large cave and deep into the mountain

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A group of trees with 4 magnificent Douglas firs that are over 100 years old. - The common Douglas fir (Pseudotsuga menziesii), often just Douglas fir or colloquially also known as Douglas fir, Douglas spruce, Douglas pine or Oregon pine depending on its origin.

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0

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Christian
February 19, 2023, Uhwieser Hörnli

Very nice tower, with a brilliant barbecue area. Ideal for children

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The cave dates back to the Mesolithic period around 8500 BC. The cave has been used by hunter-gatherers for short periods since the early Mesolithic period visited as a protected place. They kindled fires there and grilled the hunted spoils. There are still finds from Roman times, these are probably grave goods from a cremation in the cave. There are none of the Alemanni, who are said to have used the cave Sense.

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New Hörnli tower, done really well. Magnificent view of the surrounding area and if the weather is right, a magnificent view of the Alps. Barbecue area with wood, a toilet, a children's playground are available. Nice destination

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The fossil-rich quartz sand pit has been mined since its discovery in 1836. The forest had to be cleared several times to allow the quartz sand to be extracted further. In 1983, however, the exploitation of quartz sand had to be stopped because the government council rejected further requests for clearing. The factory facilities were dismantled in the same year and the basic area was prepared for reforestation. The 40 meter high quarry wall will be preserved as a geological outcrop of national importance. - In summer you can admire several species of gorse and orchid here. The light, reforested forest, mostly made of birch, is simply beautiful. - Several information boards explain various aspects of the nature reserve and the former quartz sand pit; the boards could do with a refresh, because many of the images are already too yellowed and unfortunately hardly recognizable. For information and more pictures see: https://www.benken-zh.ch/dorfleben/kultur-und-sehenswuerdheiten/quarzsandwerk.html/129 and http://www.schaffhausen-geschichte.ch/quarzsand-benken-zh.html

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Frequently Asked Questions

What types of natural monuments can I explore in Kohlfirst?

Kohlfirst offers a diverse range of natural monuments, including significant viewpoints like Uhwieser Hörnli, historical caves such as Alemanni Cave, and important geological sites like the Quarzsand Quarry, Benken Nature Reserve. You can also find notable forest features like The Four Douglas Firs.

Are there family-friendly natural monuments in Kohlfirst?

Yes, several natural monuments in Kohlfirst are suitable for families. Uhwieser Hörnli features a playground and barbecue areas, making it ideal for a family outing. The Quarzsand Quarry, Benken Nature Reserve, and The Four Douglas Firs are also categorized as family-friendly.

What historical or geological features can be found among Kohlfirst's natural monuments?

Kohlfirst is rich in both historical and geological significance. The Alemanni Cave is a historical site where excavations revealed finds from the Middle and Younger Stone Ages, as well as the Roman period. The Quarzsand Quarry, Benken Nature Reserve, is a fossil-rich quartz sand pit with a 40-meter high quarry wall preserved as a geological outcrop of national importance.

What kind of views can I expect from the natural monuments in Kohlfirst?

For panoramic views, visit Uhwieser Hörnli. Despite having the smallest observation tower in the canton of Zurich, it offers extensive views to the south and west, allowing you to appreciate the surrounding landscape.

Are there hiking opportunities near the natural monuments in Kohlfirst?

Absolutely. Kohlfirst offers numerous hiking trails that allow you to explore the natural monuments. You can find various routes, including easy and moderate options, in the Hiking in Kohlfirst guide, or specifically for easier walks, check the Easy hikes in Kohlfirst guide.

Can I go gravel biking near the natural monuments in Kohlfirst?

Yes, Kohlfirst is also suitable for gravel biking. There are several routes available that pass through or near the natural monuments, offering a different way to experience the region's beauty. Explore options in the Gravel biking in Kohlfirst guide.

What should I know before visiting Alemanni Cave?

The Alemanni Cave is a low Nagefluh cave with historical significance. While information boards are present, it's recommended to bring head protection and knee pads for a more comfortable exploration due to its challenging and intermediate nature.

What makes the Quarzsand Quarry, Benken Nature Reserve, unique?

The Quarzsand Quarry, Benken Nature Reserve, is unique for its fossil-rich quartz sand pit and a 40-meter high quarry wall that is preserved as a geological outcrop of national importance. In summer, you can also admire several species of gorse and orchids in the reforested birch forest.

What do visitors particularly enjoy about Uhwieser Hörnli?

Visitors to Uhwieser Hörnli appreciate its sensational views to the south and west, despite the tower's modest height. It's also a popular spot for families and groups due to its great playground and several barbecue areas with seating, some of which are covered.

Are there any notable trees or forests to see in Kohlfirst?

Yes, The Four Douglas Firs is a prominent natural monument in Kohlfirst. It features a group of four magnificent Douglas firs that are over 100 years old, offering an impressive sight within the forest landscape.

What is the best time to visit the natural monuments in Kohlfirst?

While specific seasonal recommendations aren't detailed, visiting during spring and summer allows you to see the gorse and orchids at the Quarzsand Quarry, Benken Nature Reserve. Generally, good weather conditions will enhance your experience at viewpoints and on trails.

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

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