5.0
(1)
21
riders
4
rides
Gravel biking in Stora Alsjön offers routes through a diverse natural landscape characterized by serene lakes, extensive coniferous forests, and varied terrain. The region features oligotrophic lakes such as Stora Alsjön, Lilla Alsjön, and parts of Stora Horssjön, providing picturesque scenery. Hilly, forested terrain with rugged sections and old-growth natural forests define the area, making it suitable for gravel biking. Many routes benefit from low car traffic, enhancing the cycling experience.
Last updated: October 25, 2026
3
riders
80.4km
05:30
660m
660m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
4
riders
43.4km
02:48
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.

7
riders
72.4km
04:32
510m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces.
5.0
(1)
5
riders
53.3km
03:13
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces.
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Popular around Stora Alsjön
A compact but varied reserve just west of Nykvarn, Jägarskogen offers quiet forest walking on a short loop of about 3.5 km. The terrain shifts between old pine and spruce stands, rocky knolls and small wetland pockets, giving the area a surprisingly wild feel for its size.
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Fantastic bathing spot, easily accessible from the path and beautifully situated on the edge of the forest
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It'a not actually an abandoned quarry. It's an abandoned iron mine.
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Gnestaleden connects Gnesta with the Eriksgatan trail
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The Eriksgatan traul sign: a crown over an E
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This is a lovely off-road track indicated by blue signs and the letter E along the route. The trail features a combination of gravel paths, double tracks, and easy singletrack, making it suitable for cross-country mountain bikes or gravel riders.
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There are 4 dedicated no-traffic gravel bike routes in Stora Alsjön featured in this guide. These routes offer a mix of moderate and difficult challenges, allowing you to explore the region's serene lakes and forests.
The terrain in Stora Alsjön is varied, featuring hilly, forested sections with some rugged parts, characteristic of the Sörmland landscape. You'll encounter extensive forest paths, gravel roads, and some asphalt sections, all designed to keep you away from heavy traffic. The routes often wind through old-growth forests and past tranquil lakes.
While the routes in this guide are rated moderate to difficult, the general area of Stora Alsjön offers a peaceful environment. For a moderately challenging ride that could be suitable for experienced families, consider the Turinge Church – Sandtorpsbadet loop from Nykvarn, which covers 43.5 km with 291m of elevation gain.
Yes, dogs are generally welcome in the Stora Alsjön nature reserve, but they must be kept on a leash to protect wildlife, especially during nesting seasons. Always ensure your dog is comfortable with longer distances and varied terrain if you plan to bring them on a gravel bike ride.
The Stora Alsjön area is rich in natural beauty. You'll encounter several oligotrophic lakes like Stora Alsjön, Lilla Alsjön, and Lilla Horssjön. The high mountain of Alsjöklint offers expansive views of the forest landscape. While not directly on every route, these natural features are central to the region's appeal.
The best seasons for gravel biking in Stora Alsjön are typically spring, summer, and early autumn. During these times, the weather is generally milder, and the natural landscape is at its most vibrant. Autumn offers beautiful fall foliage, while spring and summer provide lush greenery and longer daylight hours.
Yes, for experienced riders seeking a challenge, there are difficult routes available. The Turinge Church – Taxinge Castle loop from Nykvarn is a demanding 81.5 km ride with 668m of elevation gain. Another difficult option is the Gnesta – Kammarstenen and Järnaån loop from Gnesta, covering 72.4 km with 514m of ascent.
Parking is generally available at various entry points to the nature reserve. Specific parking areas are often located near popular trailheads or picnic spots. It's advisable to check the starting points of individual routes for the most convenient parking options.
The komoot community highly rates the Stora Alsjön area, with an average score of 5.0 stars. Reviewers often praise the tranquil atmosphere, the diverse and untouched natural landscape, and the extensive network of forest paths that provide a true escape from traffic.
While the nature reserve itself is quite wild, the surrounding Södertälje municipality and nearby towns like Nykvarn and Gnesta offer amenities. You might find cafes or small eateries in these towns, which are often starting points for the longer loops. For example, the Gnesta – Södertuna Castle loop from Gnesta starts and ends in Gnesta, where you can find services.
The Stora Alsjön nature reserve is home to several serene lakes, including Stora Alsjön, Lilla Alsjön, and parts of Stora Horssjön and Trönsjön. Some areas around these calm waters offer opportunities for swimming, providing a refreshing break during your gravel bike adventure.
Public transport options to the Stora Alsjön nature reserve are limited, as it is a more remote natural area. However, towns like Nykvarn and Gnesta, which serve as starting points for some of the routes, are accessible by regional public transport. From there, you might need to cycle a short distance to reach the core no-traffic gravel trails.


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