Best caves around Karrösten are found in a region known for its geological history and position on the south-western slope of the Tschirgant mountain. The area offers insights into millions of years of earth history, with a landscape shaped by natural processes and historical mining activities. Visitors can explore various cave formations and historical sites. The terrain around Karrösten features natural caves, gorges, and old mine tunnels.
Last updated: September 29, 2026
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The cave is about 80 m long and pleasantly cool. You can go in with your phone light and look for gold
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The special thing about the Blue Grotto is the story of its creation: 2000 years ago, in Roman times, people were working diligently here and searching for silver-containing galena. The geologist Peter Gstrein suspects that the fire-setting method was already being used for mining in the first centuries after the birth of Christ; The rock's rock became brittle due to the heating and could therefore be chipped away more easily. This is how the Blue Grotto was created, which is probably unique in Tyrol. The blue grotto is located at the end of the Rosengartenschlucht just before the hiking trail arrives in Hoch-Imst. In the opposite direction from Hoch-Imst, the Blue Grotto can be reached in less than 10 minutes. Imst.at
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There is always a fresh wind blowing from the cave
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On the way to the Karröster Alm, you will pass small caves on the wooded mountain slope of the Tschirgant. Don't forget the flashlight!
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A little above the gorge - almost a bit hidden. Duck your head!
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The region offers a mix of natural and historical cave experiences. You can find natural formations like the Tschirgant Caves, which are small caves on a wooded mountain slope. There are also historical sites such as the Blue Grotto in Rosengarten Gorge, which has a history of ancient mining, and the Old Mine Tunnel.
Yes, several caves are suitable for families. The Blue Grotto in Rosengarten Gorge is considered family-friendly, offering an exciting story of its creation. The Cave at Lake Piburg is also noted as family-friendly, with visitors often remarking on the cool air blowing from it.
The region has a rich mining history. The Blue Grotto in Rosengarten Gorge is particularly significant, believed to have been created by Roman-era mining for silver-containing galena using fire-setting methods. The Old Mine Tunnel and Lower Knappenloch also offer glimpses into the area's past mining activities.
Most of the listed caves, such as the Blue Grotto, Old Mine Tunnel, Tschirgant Caves, and Lower Knappenloch, are categorized as intermediate in difficulty. This suggests they might involve some walking or navigating uneven terrain. For the Tschirgant Caves, a flashlight is recommended, indicating a darker environment.
Yes, the Cave at Lake Piburg is known for a constant fresh, cold wind blowing from its interior, which visitors find quite interesting. While not directly in Karrösten, the broader Tyrol region features diverse cave types, including the Nature Ice Palace with impressive ice formations and an underground glacial lake, and the Hundalm Ice and Stalactite Cave with constant 0° Celsius temperatures.
Given that many caves, like the Lower Knappenloch, are described as 'pleasantly cool' or have a 'fresh wind blowing' like the Cave at Lake Piburg, it's advisable to bring an extra layer of clothing. For darker caves such as the Tschirgant Caves or the Lower Knappenloch, a flashlight or phone light is essential.
The area around Karrösten offers various outdoor activities. You can find easy hikes, such as the Rosengarten Gorge loop from Imst, which passes by the Blue Grotto. There are also numerous gravel biking and MTB trails, including routes around Tschirgant and trails with views of the Inn River.
Yes, some caves are accessible via hiking trails. For instance, the Tschirgant Caves are located on the way to the Karröster Alm. The Blue Grotto is reached via a path through the Rosengarten Gorge, which is part of an easy hiking route from Imst.
Visitors frequently highlight the unique atmosphere and historical context. For the Blue Grotto, the story of its ancient mining creation is a major draw, often described as 'exciting for children.' The cool temperatures inside caves like the Cave at Lake Piburg are also a popular feature, especially on warmer days.
Beyond Karrösten, the broader Tyrol region boasts several remarkable caves. The Nature Ice Palace in Tux offers boat trips on an underground glacial lake, while the Hundalm Ice and Stalactite Cave maintains a constant 0° Celsius and requires a hike to reach. The Tischofer Cave near Kufstein is freely accessible and holds historical artifacts.
For the caves listed within the Karrösten area, such as the Blue Grotto or Tschirgant Caves, there is no indication of requiring permits or guided tours in the provided information. However, for some regional caves like the Hundalm Ice and Stalactite Cave, guided tours are offered, and the Tischofer Cave is freely accessible without a guide.


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