3.0
(1)
3
runners
02:27
20.6km
210m
Running
This difficult 12.8-mile jogging loop from Kolboryd takes you through forest trails and past lakes in Härskogens Naturreservat.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
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5.49 km
Highlight • Trail
Tip by
6.41 km
Highlight • Lake
Tip by
20.6 km
End point
Parking
Way Types & Surfaces
Way Types
11.9 km
5.03 km
3.09 km
646 m
Surfaces
11.1 km
6.48 km
1.30 km
1.08 km
634 m
< 100 m
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Elevation
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Monday 18 May
18°C
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This route was planned by komoot.
While specific parking for a 'Four lakes loop' isn't detailed, the Kolboryds Gård Multi Trail area, which this route is part of, is popular. Look for parking facilities near Kolboryds Gård or within the broader Härskogens naturreservat area in Brännås, Lerum. It's advisable to arrive early, especially on weekends, as the area is well-used.
The Kolboryd area is accessible via public transport. You would typically aim for connections to Lerum, and then local buses might serve stops closer to Härskogens naturreservat or Kolboryds Gård. Check local transit schedules for the most up-to-date information on routes and timings from Lerum to the Brännås area.
Yes, dogs are generally allowed on trails in the Kolboryd area and within Härskogens naturreservat. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Always clean up after your pet.
The trail can be enjoyed year-round, but spring and autumn offer pleasant temperatures and beautiful scenery. Summer is also popular, though it can be warmer. In winter, be prepared for potentially icy or snowy conditions, which can make jogging more challenging. Always check local weather forecasts before you go.
No, there are typically no permits or entrance fees required to access the trails in Härskogens naturreservat, including this route. It is a publicly accessible natural area.
This route, classified as 'difficult' for jogging, covers a distance of over 20 km with approximately 210 meters of elevation gain. While parts of the broader Kolboryd trail network include gravel paths, expect a mix of surfaces. Given the difficulty and length, it likely includes sections of more rugged singletrack, forest trails, and potentially some uphill and downhill sections.
The route offers scenic views of nature, including beautiful Forest trails. You will also pass by Kollsjön, one of the lakes that gives the loop its name. The general area is known for its natural setting and varied landscapes.
Yes, this route utilizes sections of several other trails within the Härskogens naturreservat. You will find yourself on parts of Stora Härsjörundan, Vildmarksleden, Stamsjöleden, and Stamsjöspåret, among others, as you complete the loop.
As part of Härskogens naturreservat, general regulations apply. These typically include keeping dogs on a leash, not disturbing wildlife, refraining from littering, and respecting private property. Camping and making fires may have specific restrictions outside designated areas. Always follow local signage and regulations to preserve the natural environment.
Given its 'difficult' rating, a distance of over 20 km, and significant elevation changes, this route is generally not recommended for beginner joggers. It requires a good level of fitness and experience with longer distances and varied terrain. Beginners might prefer shorter, easier loops available in the Kolboryd area.
The Kolboryd area, being part of Lerum municipality, has amenities available. While there might not be facilities directly at the trailhead, you can find cafes, restaurants, and other services in nearby towns like Lerum. It's a good idea to plan ahead if you're looking for specific post-run refreshments or facilities.