4.5
(20719)
95,147
hikers
18
hikes
Hiking in Biotop Kalterer See - Biotopo Lago Di Caldaro offers diverse trails around the warmest Alpine lake, Lake Caldaro (Kalterer See). The region features extensive wetlands, particularly on the southern shores, which are vital habitats for numerous bird species. Surrounding the lake are picturesque fruit orchards and vineyards, providing scenic backdrops for walks. Occasional mountain views towards the Mendel Pass and the ruins of Castelchiaro (Leuchtenburg) add to the varied landscape.
Last updated: May 24, 2026
4.7
(43)
326
hikers
8.79km
02:29
200m
200m
Lakeside loop around the Alps' warmest lake through vineyards and bird-rich wetlands.
4.3
(8)
69
hikers
5.50km
01:27
50m
50m
Circuit around the Alps' warmest swimming lake through protected wetlands and apple orchards.

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4.2
(1610)
7,617
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(133)
567
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
3.8
(44)
563
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Mountain Hikes in Biotop Kalterer See - Biotopo Lago Di Caldaro
This platform awaits you halfway through the tour! The view is amazing 😊
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By mid-September 2025, the wine and apple harvest is in full swing.
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The photos don't promise too much. Great here.
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the water makes its way between the relocce
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An up and down of metal stairways and walkways
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spectacular views of the lake..
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There are 19 hiking trails in Biotop Kalterer See - Biotopo Lago Di Caldaro, catering to various skill levels. This includes 11 easy routes, 7 moderate trails, and 1 difficult option for experienced hikers.
The Biotop Kalterer See is beautiful year-round, but spring and autumn are particularly pleasant for hiking. Spring brings blooming orchards and mild temperatures, while autumn offers vibrant colors in the vineyards. The lake is known as the warmest Alpine bathing lake, making summer popular for water activities, but hiking can still be enjoyed in the cooler parts of the day.
Yes, there are 11 easy hiking trails in the area. A popular choice is the Lake Kaltern – Lake Caldaro (Kalterer See) loop from Kalterer See - Lago di Caldaro, which offers a gentle walk around the lake through protected wetlands and orchards.
While the area is known for its accessible trails, there is one difficult route available for experienced hikers seeking a greater challenge. For those looking for moderate options, the Lake Caldaro Loop Trail provides a good workout with varied terrain.
Absolutely. The region is ideal for families, offering easy walks and a dedicated Nature Experience Trail that winds through the biotope. This trail allows visitors to learn about local flora and fauna, making it engaging for children. The circuit around the lake is also generally flat and suitable for families.
Dogs are generally welcome on trails in the Biotop Kalterer See, but it's important to keep them on a leash, especially within the protected wetland areas. This helps protect the diverse wildlife, particularly the numerous bird species that inhabit the biotope.
Hikers can expect to see a diverse landscape including the extensive reed belts of Lake Caldaro, picturesque fruit orchards, and vineyards. The biotope is a vital wetland, home to over 100 species of water birds. You'll also enjoy occasional views up to the Mendel Pass and a fantastic mountain backdrop.
Yes, high above the biotope, you can find the ruins of Castelchiaro (Leuchtenburg), which offers a historical element to your hike and often provides stunning views of the lake and its surroundings. Additionally, an observation tower along the wooden pathway through the biotope provides an excellent vantage point for bird watching.
The Biotop Kalterer See is an ecological hotspot, providing a critical habitat for over 100 species of water birds, amphibians, fish, and insects. You might spot rare birds like purple herons, ruffs, and white storks, especially from the Birdwatching Tower at Lake Caldaro Nature Reserve.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 4000 reviews. Hikers often praise the diverse scenery, from the tranquil lake and wetlands to the surrounding vineyards and mountain views. The well-maintained trails and the opportunity for bird watching are also frequently highlighted.
Yes, several circular routes allow you to explore the area around Lake Caldaro. The Lake Caldaro Circuit Trail is a popular 3.4-mile option that leads through protected wetlands and orchards, offering a complete experience of the lake's surroundings.
Public transport options are available to reach the Biotop Kalterer See area. Buses connect the lake with nearby towns like Caldaro and Termeno, making it accessible for hikers without a car. It's advisable to check local bus schedules for the most up-to-date information.


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