5.0
(1)
23
riders
5
rides
Gravel biking in Stora Alsjön offers diverse and picturesque natural features, making it an excellent destination for outdoor enthusiasts. The region is characterized by a large, contiguous forest area with moist woodlands and pine trees on rocky outcrops, creating hilly, forested terrain with several ups and downs. Nutrient-poor lakes, including Stora Alsjön and Lilla Alsjön, are integrated into the landscape. The area features extensive trail networks combining asphalt and gravel surfaces, ideal for exploring the rolling Sörmland terrain.
Last updated: July 3, 2026
4
riders
81.4km
05:36
670m
670m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
43.4km
02:48
290m
290m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
72.5km
04:33
510m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
5
riders
53.3km
03:13
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
28.4km
01:51
180m
180m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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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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In some places view of Mariefred
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Stora Alsjön is characterized by diverse and picturesque natural features. You'll encounter a mix of lush, often untouched forests, serene lakes, and hilly terrain with several ups and downs. The routes combine asphalt and gravel surfaces, offering a varied experience through the rolling Sörmland landscape.
While Stora Alsjön offers routes ranging from moderate to difficult, there are options that might be more suitable for those looking for a less strenuous ride. For example, the View of Saltå Kvarn – Järna loop from Järna is a moderate 28.4 km trail, and the Järna loop from Järna is a moderate 38.1 km option, both offering a good introduction to the area's gravel paths.
The region is rich in natural beauty. You'll ride past several nutrient-poor lakes, including Stora Alsjön, Lilla Alsjön, and parts of Stora Horssjön. The landscape features ancient forests with pine trees on rocky outcrops. For extensive views over the forest, Alsjöklint, a high mountain in the middle of the reserve, is a notable point of interest.
Yes, Stora Alsjön offers several challenging routes for experienced gravel bikers. The Turinge Church – Taxinge Castle loop from Nykvarn is a demanding 81.5 km trail, and the Gnesta – Kammarstenen and Järnaån loop from Gnesta is another difficult 72.5 km path, both offering extensive views and varied Sörmland terrain.
The routes in Stora Alsjön are highly rated by the komoot community, with an average score of 5.0 stars. Over 20 gravel bikers have explored the varied terrain, often praising the challenging climbs and scenic trails that immerse them in the area's natural beauty.
Yes, many of the gravel biking routes in Stora Alsjön are designed as loops, allowing you to start and end at the same point. Examples include the Turinge Church – Taxinge Castle loop from Nykvarn and the Gnesta – Södertuna Castle loop from Gnesta, providing convenient options for exploring the region.
Stora Alsjön's natural beauty can be enjoyed across seasons, but the best time for gravel biking typically aligns with milder weather. Spring and autumn offer pleasant temperatures and vibrant scenery, while summer provides longer daylight hours. Winter biking is possible, but trail conditions may vary due to snow or ice.
Stora Alsjön is a nature reserve, so it's important to respect local regulations. While general cycling is often permitted on established roads and trails, always check specific signage within the reserve for any restrictions, especially regarding protected areas or sensitive habitats. Adhere to the 'leave no trace' principles to preserve the natural environment.
While specific parking areas aren't detailed for every route, many trails in the broader Södertälje area, including those near Stora Alsjön, often have designated parking close to trailheads or starting points in nearby towns like Nykvarn or Gnesta. It's advisable to check the route details on komoot for specific parking recommendations for your chosen tour.
The Stora Alsjön Nature Reserve itself is largely untouched, focusing on natural experiences. However, nearby towns like Järna, Nykvarn, and Gnesta, which serve as starting points for many routes, offer various amenities including cafes, restaurants, and accommodation options where you can refuel before or after your ride.
There are currently 5 gravel biking routes available in Stora Alsjön, offering a range of experiences from moderate to difficult. These routes allow you to explore the region's diverse forests, lakes, and hilly terrain.
The gravel biking trails in Stora Alsjön offer a mix of challenges. Out of the 5 available routes, 3 are rated as moderate, and 2 are considered difficult. This means you can find options suitable for different fitness levels, from enjoyable rides to more demanding adventures.


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