Fornborgsslingan Loop

Dogs Leashed

Features Birding · Lake · River/Creek · Swimming · Views · Wildlife

Welcome to Tyresta National Park, the largest and finest primeval forest in the southern third of Sweden. Here, you can experience silence, solitude, and unspoiled nature—just twenty kilometers from the center of Stockholm.

By means of the 55 kilometers of marked, color-coded trails and footpaths running through Tyresta National Park and the adjoining Nature Reserve, visitors may experience the extensive ancient forest, the lakes with their impressive shoreline cliffs, or stroll all the way to the Baltic Sea.

Read more about Tyresta National Park
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You can park (for free) at Stensjödal where the trail starts and ends.

Keep in mind that in the national park:
- Wildlife is protected and may not be intentionally disturbed.
- It is forbidden to damage the vegetation, including dead trees. It is not allowed to break off twigs and branches, cut down trees, or dig up plants.
- Fires and camping are permitted only at designated places.
- Dogs must be leashed at all times.
- Detailed regulations are posted in the park and reserve, in the naturum and on the web

Read the Swedish law about Right of public access – a unique opportunity.

Expect the trail run to take approx 2-2.5 hours in total including all logistics from the city center of Stockholm, of which about 1-1.5 hours are on the trail, running.

- Bring your own water and energy.
- Slippery rocks, stones, roots, and footbridges when wet.
- Poor or non-existing cell phone signal in some areas around the Lake Stensjön.

If you have time, you must pay Tyresta village a visit—the main entrance to the national park. It's considered to be among the best preserved villages in the Stockholm region and has been inhabited since the iron age. The buildings date back to the 18th century and have been preserved in their original state. There is a café, a farm with a rather unusual animal centre, and a little farm shop.

This specific trail goes to the heart of of Tyresta National Park to the Lake Stensjön.

It's a circle route (loop) and takes you around the lake and through a large fire area from an extensive forest fire in 1999 which left deep traces in the area west of Lake Stensjön.

It's a perfect first run for a novice runner since it's only 6.5 km. Though, it's a demanding and technical trail, so be prepared for a challenge where good physique is a good base for a joyful adventure.

Don't miss out the ancient castle of Stensjöborg with a scenic view over the Lake Stensjön and the large fire area beyond.

On your way back, when you pass the old floodgates just south of Lake Lanan, I would suggest you to follow the small singletrack trail along the creek down to Stensjödal instead of taking the man-made path down. It's 250 meters of pure joy and it feels like you are in another prehistoric era just suddenly.

A primeval forest rich in variation. Trees of many different ages and a variety of species grow close to each other. Dense thickets alternate with small open glades. There is an abundance of deadwood in various stages of decay. This is how Swedish forests looked before humans began to exploit them. Many of the plants and animals in a primeval forest are adapted to life in just such an environment.

Read more about the unusual landscape of the park here.