Nature Reserve Guide
Alte Sorge-Schleife, a nature reserve in Schleswig-Holstein, Germany, is characterized by the distinctive meanders of the Alte Sorge river, an old, cut-off arm of the Sorge. This area features a flat wetland landscape with extensive wet grasslands, the central Colsrakmoor raised bog, and adjoining fens. High groundwater levels and seasonal winter flooding contribute to a rich mosaic of habitats, making it suitable for several sports like touring cycling, hiking, road cycling, jogging, and more.
85
Routes
4.4
(226)
Average rating
868
People visited

4.9
(31)
99
riders
96.7km
06:02
210m
210m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.9
(14)
41
riders
43.7km
02:50
70m
70m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(10)
43
riders
86.6km
05:26
170m
170m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.6
(11)
29
riders
35.2km
02:04
110m
110m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.5
(13)
53
hikers
7.76km
01:57
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.6
(5)
27
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

3.8
(4)
25
hikers
5.17km
01:18
0m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.2
(13)
52
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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13
riders
64.1km
02:48
230m
230m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

5.0
(1)
12
riders
34.1km
01:35
60m
60m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

8
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.

4
riders
42.2km
01:50
190m
190m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
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8
runners
7.52km
00:49
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

6
runners
7.30km
00:47
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4
runners
7.92km
00:49
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4
runners
8.24km
00:51
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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6
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

5
riders
38.3km
02:27
80m
80m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

3.4
(9)
5
riders
26.2km
01:26
70m
70m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

5.0
(1)
3
riders
14.7km
00:54
50m
50m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Alte Sorge-Schleife nature reserve offers a variety of outdoor activities, including touring cycling, hiking, road cycling, jogging, and mountain biking. The region features 56 routes, with an average rating of 4.5 out of 5 stars from more than 120 ratings. More than 500 visitors have explored the area.
Popular touring cycling routes include the "Hohner Lake – Nübbel Eider Bridge loop" at 60 miles (96.7 km) and the "Hohner Ferry – Dellstedt Farmers' Windmill loop" at 27 miles (43.7 km). For road cycling, the "Stork Village Bergenhusen – Husum Inner Harbour loop" covers 40 miles (64.4 km). Find more options in the Cycling around Alte Sorge-Schleife guide.
Yes, the region's flat terrain makes it suitable for leisure cyclists and families. The "Eider-Treene-Sorge-Radweg" passes through the area, offering accessible paths. Many routes are rated as easy or moderate, such as "The village of storks – Margaretha Windmill loop" at 21 miles (34.1 km).
Notable hiking trails include the "Stork Village Bergenhusen – Stork Nests in Bergenhusen loop" at 2.7 miles (4.3 km) and a "Hiking loop from Alte Sorge-Schleife" at 3.2 miles (5.2 km). These routes are generally rated as easy. Explore more options in the Hiking around Alte Sorge-Schleife guide.
The reserve is characterized by the pronounced meanders of the Alte Sorge river and features extensive wet grasslands, the central Colsrakmoor raised bog, and adjoining fens. It is an important habitat for diverse wildlife, especially meadow birds and migrating species. An observation tower provides views over the nature reserve.
Yes, Alte Sorge-Schleife offers mountain biking opportunities. Trails like the "Meggerdorf swimming spot – Stork Nests in Bergenhusen loop" cover 18.7 miles (30.1 km) and are rated easy. The "Treeneniederung – Winnert Wild Moor Plattenweg loop" is a moderate option at 23.8 miles (38.3 km). Refer to the MTB Trails around Alte Sorge-Schleife guide for more details.
The flat and diverse terrain is suitable for jogging. Routes such as the "Stork Care Station Erfde loop" at 4.7 miles (7.5 km) and a "Running loop from Hohner Fähre" at 4.5 miles (7.3 km) are available. These routes are typically rated as moderate. More options can be found in the Running Trails around Alte Sorge-Schleife guide.
Komoot offers several guides for Alte Sorge-Schleife, including guides for Cycling, Hiking, Road Cycling, MTB Trails, and Running Trails. There are also guides for Easy Hikes and Attractions.
The Alte Sorge-Schleife nature reserve is managed by the Stiftung Naturschutz Schleswig-Holstein. Information can be found on their website at www.stiftungsland.de. The Integrierte Station Eider-Treene-Sorge und Westküste also cares for the reserve and can be reached at 04885-902064.
Alte Sorge-Schleife is a vital habitat for birds, serving as a breeding ground for meadow birds like lapwings, curlews, and redshanks. It is also a significant resting and wintering area for species such as Bewick's swans and golden plovers. White storks are frequently seen, and moor frogs inhabit the ditches.
Alte Sorge-Schleife is a popular destination on komoot, with more than 500 visitors having explored its routes. The area has received an average rating of 4.5 out of 5 stars from over 120 ratings, indicating a high level of satisfaction among users.

