4.6
(3765)
20,491
hikers
743
hikes
Hiking around Kruså Møllesø offers diverse trails within a scenic tunnel valley, formed by the damming of the Kruså river. The area features a shallow lake, fed by the Kruså river and Smedeby bæk, with preserved views and improved water quality supporting a flourishing ecosystem. Elevated areas south of the lake provide panoramic vistas, and some routes offer cross-border experiences between Denmark and Germany.
Last updated: June 24, 2026
4.7
(3)
28
hikers
6.79km
01:48
60m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(6)
19
hikers
5.27km
01:23
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(4)
21
hikers
6.76km
01:45
40m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(7)
29
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
7
hikers
3.51km
00:55
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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It's nice that the border crossing feels so friendly and inviting here and that people can enjoy freedom while hiking.
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A nice change of pace on the mountain stage of the Gendarmensteig.
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Beautiful view, annoying route.
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You can get over here quite well with a gravel bike. Just ride over the cattle grid and arrive in Denmark or Germany.
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Abrahams Kilde (Abraham's Spring) is a spring near Kupfermühle, often mentioned in connection with hikes such as the Gendarmenstieg trail. Here is the most important information: Location: It is located near Kupfermühle, on the German-Danish border, and lies along hiking trails. Historical background of the name: The name has no direct biblical origin. It was given to a courtier of the Danish King Christian IV, who graciously provided the king with water during a rest stop there. Special feature: It is a fast-flowing spring with clear water, sometimes also referred to as the iron-rich "Abraham Spring." Hiking destination: There is a bench at the spring, inviting hikers to linger and listen. The region is known for its glacial landscape features, such as the Tunnel Valley.
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Only one door 😉
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0
Riding through the forest 🌳 on a road bike is definitely not recommended. Gravel biking, cycling, running, and hiking are great options. 👍🏻
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The Kruså Møllesø area offers a wide variety of hiking experiences, with over 770 trails recorded on komoot. These routes cater to different preferences, ranging from easy strolls to more demanding treks.
Yes, Kruså Møllesø is very welcoming for casual walkers, with over 560 easy routes available. A great option is the View of Flensburg Fjord – Gendarmstien loop from Kruså, an easy 6.8 km path that leads to elevated areas offering panoramic views south of the lake.
Hikers can enjoy picturesque landscapes, including the scenic tunnel valley where Kruså Møllesø is nestled. Many trails offer beautiful views across the shallow lake, and elevated areas provide magnificent panoramic vistas of the Flensburg Fjord. The area also features diverse natural habitats, including moorland and river valleys.
For those seeking a more demanding experience, there are 27 difficult routes around Kruså Møllesø. A notable challenging hike is the View of Flensburg Fjord – Schusterkate Border Crossing (Germany–Denmark) loop from Kruså, a 19.5 km trail that includes a unique cross-border experience.
Yes, many of the trails around Kruså Møllesø are circular, allowing you to start and end at the same point. For example, the Forest Lake with Moor loop from Kruså is a 6.6 km circular route that takes you through a forest lake with moorland features.
Kruså Møllesø is a great spot for wildlife observation, especially birdlife. The lake is home to breeding Great Crested Grebes, Grasshopper Warblers, and Marsh Harriers. During winter, Kingfishers and Dippers can be spotted in the streams. A bird tower on the southern side of the lake provides an excellent vantage point for observation.
Yes, some hiking loops in the area offer a unique cross-border experience. The View of Flensburg Fjord – Schusterkate Border Crossing (Germany–Denmark) loop from Kruså is an example of a trail that allows you to hike between Denmark and Germany.
The trails in Kruså Møllesø are highly rated by the komoot community, with an average score of 4.6 stars from over 3,200 reviews. Hikers often praise the scenic lake views, the diverse natural features, and the variety of routes available for different skill levels.
Absolutely. For a shorter walk, consider the Bridge Over the Krusau – View of Flensburg Fjord loop from Kruså. This 5.27 km trail can typically be completed in about 1 hour and 23 minutes, offering pleasant views without requiring a full day.
Yes, the area offers many trails suitable for families, particularly the numerous easy routes. The diverse landscapes and opportunities for birdwatching make it an engaging destination for all ages. The shorter, less strenuous loops are ideal for family outings.
Kruså Møllesø is enjoyable year-round, but spring and autumn offer particularly pleasant conditions with mild temperatures and beautiful foliage. The improved water quality also means a flourishing ecosystem, making it a vibrant place to visit during warmer months for wildlife spotting.
While many trails are relatively flat, some routes do lead to elevated areas, providing rewarding views. For instance, the View of Flensburg Fjord – Gendarmstien loop from Kruså includes sections with gentle climbs to offer panoramic vistas south of the lake.


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