Trehörningsskogen is a nature reserve situated north of Åkersberga in Stockholm County, Sweden. This region is characterized by a well-preserved, old-growth coniferous forest with diverse tree species and varied terrain, including heights, steep cliffs, valleys, and serene lakes. Its unique landscape provides a rich habitat for numerous plant and animal species, making it a significant area for outdoor recreation. The diverse topography and natural features support several sports like road cycling, hiking, jogging, touring cycling, and more.
69
Routes
4.5
(56)
Average rating
606
People visited

42
runners
5.61km
00:35
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

17
runners
5.55km
00:37
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

13
runners
14.1km
01:29
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
7
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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1.32km
00:21
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.5
(6)
31
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(5)
23
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.3
(3)
22
hikers
10.1km
02:37
70m
70m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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4.0
(1)
26
riders
27.0km
01:10
200m
200m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

4.3
(4)
25
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

2.0
(1)
22
riders
43.3km
01:53
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

21
riders
75.0km
03:31
570m
570m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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5.0
(1)
17
riders
31.9km
01:59
260m
260m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.2
(5)
12
riders
22.1km
01:20
170m
170m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

12
riders
50.7km
03:04
410m
410m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

10
riders
22.7km
01:22
140m
140m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(1)
11
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

2
riders
38.4km
02:12
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
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8
riders
23.4km
01:54
190m
190m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

4
riders
31.2km
02:15
200m
200m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

3
riders
27.4km
02:01
190m
190m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

3
riders
15.1km
00:56
100m
100m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Trehörningsskogen is a nature reserve situated north of Åkersberga in Stockholm County, Sweden. It is characterized by a well-preserved, old-growth coniferous forest, diverse tree species, and varied terrain including lakes and cliffs. The reserve is recognized for its rich biodiversity and ecological importance as a Natura 2000 area.
Trehörningsskogen offers a range of outdoor activities including hiking, jogging, road cycling, touring cycling, mountain biking, and gravel biking. The region is particularly well-suited for hiking and trail running due to its varied terrain. Over 1,800 visitors have explored the area, giving it an average rating of 4.62 out of 5 stars.
Yes, Trehörningsskogen offers hiking trails suitable for various skill levels, including easy options. Visitors can find specific routes and guidance in the Easy hikes in Trehörningsskogen guide. The reserve's varied terrain provides engaging experiences for all.
Yes, Trehörningsskogen provides hiking routes suitable for families. These trails offer an opportunity to explore the reserve's unique landscapes together. Specific routes can be found in the Family-friendly hikes in Trehörningsskogen guide.
The broader region around Trehörningsskogen offers opportunities for road cycling, with routes often originating from nearby Åkersberga. These routes can include scenic rides past horse farms and along rural roads. Information on specific routes is available in the Road Cycling Routes in Trehörningsskogen guide.
Yes, there are options for traffic-free bike rides in the Trehörningsskogen area. These routes are suitable for both road cycling and touring cycling, providing a more serene experience. Guides such as Traffic-free bike rides in Trehörningsskogen offer specific suggestions.
Trehörningsskogen is characterized by old-growth coniferous forests, diverse tree species, and varied terrain including heights, steep cliffs, and valleys. Notable natural features include serene lakes like Trehörningen, Oppsjön, and Mysslingen, along with wetlands and small streams. The presence of old and dead trees supports a rich biodiversity.
Hiking routes in Trehörningsskogen can be found through various guides. The Hiking in Trehörningsskogen guide provides a general overview, while other guides focus on specific types, such as easy or family-friendly hikes.
Yes, Trehörningsskogen offers mountain biking trails for enthusiasts. These trails provide an opportunity to explore the reserve's varied terrain on two wheels. Specific routes and information can be found in the MTB Trails in Trehörningsskogen guide.
Trehörningsskogen is accessible via public transport, with specific hiking routes designed to start from bus stations. Information on these routes can be found in the Hikes from bus stations in Trehörningsskogen guide. Parking is also available at the Domarudden recreational area, which provides access to the reserve.
The official website for information about the Trehörningsskogen nature reserve is managed by Länsstyrelsen Stockholm. Comprehensive details can be found on their website: Länsstyrelsen Stockholm.
Trehörningsskogen nature reserve is managed by Länsstyrelsen Stockholm (the County Administrative Board of Stockholm). For inquiries, their general switchboard can be reached at +46 10-223 10 00. They are typically available Monday–Friday from 8:00 AM to 4:30 PM.

