5.0
(1)
5
hikers
06:58
27.0km
130m
Hiking
Hike the difficult 16.8-mile Gudenå trail from its spring to Uldum Kær, exploring diverse wetlands and forests in Denmark.
Last updated: February 26, 2026
Waypoints
Start point
Bus stop
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3.35 km
Highlight • River
Tip by
3.50 km
Highlight • Historical Site
Translated by Google •
Tip by
22.5 km
Highlight • Natural
Translated by Google •
Tip by
27.0 km
End point
Bus stop
Way Types & Surfaces
Way Types
10.8 km
10.8 km
4.30 km
1.07 km
< 100 m
Surfaces
11.7 km
6.66 km
4.14 km
3.50 km
643 m
150 m
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Elevation
Highest point (100 m)
Lowest point (50 m)
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Weather
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Thursday 21 May
21°C
9°C
27 %
Additional weather tips
Max wind speed: 17.0 km/h
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This route was planned by komoot.
This section of the Gudenå trail is rated as difficult by komoot, covering varied terrain. You'll encounter natural paths, footpaths, gravel tracks, and forest trails. Some stretches may include country roads with limited traffic. The route showcases diverse landscapes, from open scrub and wetlands to 'jungle-like' forests, often following the Gudenå river closely.
You can typically find parking near the starting point at the Source of the Gudenå River in Tinnet Krat. For the Uldum Kær section, parking is available at designated access points around the fen area, which is well-equipped for visitors.
No, there are no permits or entrance fees required to hike this section of the Gudenå trail or to visit Uldum Kær. Both are publicly accessible natural areas in Denmark.
Yes, the trail is generally dog-friendly. However, as much of the route passes through protected natural areas, especially Uldum Kær, it is crucial to keep dogs on a leash at all times to protect wildlife and respect other visitors.
The trail can be enjoyed year-round, but spring and autumn are particularly beautiful. In spring, you'll see fresh greenery and blooming flora, while autumn offers vibrant colors. Summer is also pleasant, though some sections might be busier. Winter hiking is possible, but be prepared for potentially wet or muddy conditions.
Key highlights include the Source of the Gudenå River in Tinnet Krat, where Denmark's longest river originates. Further along, you'll reach Uldum Kær, Denmark's largest fen area, known for its unique wetlands, peat vegetation, and abundant birdlife. There's also The bathing facility, a historical site along the way.
Yes, this route is part of the larger 175-kilometer Gudenå Trail. Near the spring, it passes close to the ancient Hærvejen trail. Along this specific section, you may also encounter parts of local trails such as Rans togt, Gudenådalen, Gul rute, Nordre, and Søndre Fælledvej.
Within Uldum Kær, there are good facilities, including shelters with fire pits and toilet facilities, making it suitable for longer visits or even overnight stays. Along other parts of the trail, facilities may be more limited, so plan accordingly.
Uldum Kær is a protected wetland with rich biodiversity, making it excellent for birdwatching. You can expect to see various bird species from bird towers. The fen area also supports unique flora and fauna adapted to its wetland environment. Keep an eye out for diverse plant life and insects.
Yes, this section is part of the larger Gudenå Trail and is generally well-signposted with red arrows and dots. Within Uldum Kær, the area is made accessible with signposted paths and wooden bridges through wetter sections, along with information boards.
While the full route from the spring to Uldum Kær is a longer hike, Uldum Kær itself offers options for shorter loops, including a 5 km and a 10.2 km route. These provide flexibility for different hiking preferences and are generally well-maintained with wooden bridges over wet areas.