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Sweden
Västra Götaland
Lerum

Stora Harsjön Loop Trail

Hard

36

runners

Stora Harsjön Loop Trail

01:46

15.3km

160m

Running

This difficult 9.5-mile (15.3 km) jogging loop around Stora Harsjön offers varied terrain and beautiful lake and forest scenery.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Härskogens naturreservat

Waypoints

A

Start point

Parking

Get Directions

1

3.08 km

Stora Harsjön

Highlight • Lake

A small cove with a sandy beach makes for a fantastic sheltered rest spot just off the trail. Bird-enthusiasts might spot red-throated or black-throated divers here and at other nesting sites along the lake.

Tip by

2

3.74 km

High quality illuminated trail.

Tip by

B

15.3 km

End point

Parking

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Way Types & Surfaces

Way Types

7.09 km

5.40 km

2.66 km

141 m

Surfaces

7.61 km

4.25 km

2.99 km

333 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Thursday 21 May

17°C

8°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Loop around Stora Harsjön?

The trail offers a varied terrain experience, moving through mixed forests and areas directly by the lake. While generally suitable for jogging, be prepared for potentially uneven surfaces, including roots and rocks, which can add a technical element to your run. The elevation profile includes gradual climbs and descents, making it a dynamic route.

Is the Loop around Stora Harsjön suitable for beginners?

Given its 15 km distance, 156 meters of elevation gain, and varied terrain, this route is classified as 'difficult' for jogging. While it offers a rewarding experience, beginners might find it challenging. Regular runners with some experience on uneven surfaces will likely enjoy it more. Consider shorter, flatter options in the area if you're new to trail jogging.

Where can I park to access the trail?

Specific parking details for the Loop around Stora Harsjön are not provided, but as the trail is located within Härskogens Nature Reserve, there are likely designated parking areas near common trailheads within the reserve. It's advisable to check local signage upon arrival or consult a detailed map of the nature reserve for the most convenient access points.

Are dogs allowed on the Loop around Stora Harsjön?

Generally, dogs are welcome in Swedish nature reserves like Härskogens Naturreservat, but they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Always clean up after your dog.

What is the best time of year to jog this loop?

The Loop around Stora Harsjön offers beautiful scenery year-round. Spring and autumn provide pleasant temperatures and vibrant natural colors, making them ideal. Summer is also great, but be mindful of potential heat. Winter jogging is possible, but be prepared for snow and ice, which can make the varied terrain more challenging.

Are there any permits or entrance fees required for the Härskogens Nature Reserve?

No, there are typically no entrance fees or permits required to access Härskogens Nature Reserve or to jog on its trails, including the Loop around Stora Harsjön. However, always respect the nature reserve's regulations, such as keeping dogs on a leash and not disturbing wildlife.

What natural features or landmarks can I see along the route?

The primary natural feature is the beautiful Stora Harsjön itself, which the trail loops around. You'll also experience the diverse environment of mixed forests and sections of the Illuminated Trail in Härskogens Nature Reserve, offering tranquil and picturesque views throughout your jog.

Does the trail intersect with other well-known paths?

Yes, the route shares sections with several other trails. Notably, it follows a significant portion of the Stora Härsjörundan (93% of the route) and also intersects with parts of Vildmarksleden (44%), Lilla Härsjlrundan (19%), Härskogen 5,0 km (19%), Stamsjöleden (18%), Flodaleden (13%), Tre Knallar (13%), and Härskogen 2,5 km (10%).

Are there any facilities like cafes or accommodation nearby?

While the trail itself is in a natural reserve, the surrounding area may offer amenities. For specific cafes, pubs, or accommodation, you would need to check in nearby towns or communities surrounding Stora Harsjön and Härskogens Nature Reserve.

Is Stora Harsjön the same as Stora Härsjön?

Yes, 'Stora Harsjön' and 'Stora Härsjön' refer to the same lake and surrounding area. The spelling variation is common, but they both point to this beautiful location in Sweden.

What should I bring for a jog on this trail?

Given the trail's length and varied terrain, we recommend bringing appropriate jogging shoes with good grip, sufficient water, and perhaps a light snack. Depending on the weather, layers of clothing are advisable. A map or GPS device (like the komoot app) is also helpful, especially where the trail intersects with other paths.

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