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Running Trails
Norway
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Fjellstulfjellet Naturreservat

Routes
Running Trails
Norway
Telemark

Fjellstulfjellet Naturreservat

The best running trails in Fjellstulfjellet Naturreservat

25

runners

11

runs

Jogging routes in Fjellstulfjellet Naturreservat traverse a mountainous landscape characterized by forested slopes and varied terrain. The area features undulating sections, open spaces, smooth granite rock slabs, and old-growth spruce and pine forests. Small lakes are interspersed throughout the reserve, adding to the natural environment. This protected area offers a peaceful setting for running, free from motorized traffic.

Best jogging routes in Fjellstulfjellet Naturreservat

  • The most popular jogging route is Running loop from Tinfos I kraftverk, a 2.5 miles (4.1 km) trail that takes 29 minutes to complete. This easy route features minimal elevation gain, making it accessible for many runners.
  • Another top favourite among local runners is Øvre Jerpetjønn loop from Elgstøa, a difficult 4.1 miles (6.7 km) path. This route includes significant elevation gain, offering a more challenging running experience through varied terrain.
  • Local runners also love the Blekningstjønn – Tinnemyr loop from Notodden, a 7.2 miles (11.6 km) trail leading through forested areas and past small lakes, often completed in about 1 hour 16 minutes.
  • Jogging in Fjellstulfjellet Naturreservat is defined by its varied terrain, old-growth forests, and small lakes. The network offers options for different ability levels, from easy loops to more challenging trails with considerable elevation.
  • The guide includes highly-rated routes that showcase the best of the region's landscape. More than 20 runners have used komoot to explore Fjellstulfjellet Naturreservat's varied terrain.

Last updated: July 4, 2026

4

runners

#1.

Saltkleiv – Ruggebergåsen loop from Jerpetjønn

6.67km

01:10

320m

320m

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

5

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Frequently Asked Questions

What kind of terrain can I expect on the running trails in Fjellstulfjellet Naturreservat?

The running trails in Fjellstulfjellet Naturreservat offer a varied experience. You'll encounter hard-packed earth, some baked-in stone, and sections with technical rock and roots. The landscape features forested slopes, open spaces, smooth granite rock slabs (svaberg), and old-growth spruce and pine forests. The terrain is generally described as 'small and hilly' with diverse inclines and descents.

Are there easy running routes suitable for beginners in the reserve?

Yes, Fjellstulfjellet Naturreservat offers routes suitable for beginners. For instance, the Running loop from Tinfos I kraftverk is an easy 4.1 km (2.5 miles) trail with minimal elevation gain, making it very accessible for those new to trail running.

How challenging are the running routes in Fjellstulfjellet Naturreservat?

The reserve offers a range of difficulties. While some paths are mostly accessible, others require good fitness and sure-footedness due to technical sections and significant elevation changes. For example, the Saltkleiv – Ruggebergåsen loop from Jerpetjønn is a difficult 6.7 km route with over 300 meters of elevation gain, providing a more challenging experience.

Are there any notable landmarks or viewpoints to discover while jogging?

Yes, a significant attraction within the reserve is Fjellstulvarden, which marks the highest point of the mountain area. A trip to Fjellstulvarden is rewarded with lovely views at the top. The trails leading to it are well-marked and maintained.

Where can I park when visiting Fjellstulfjellet Naturreservat for a run?

Convenient access to the trails is available with a large parking area and map information at Jerpetjønnhovet. This location is situated at the highest point of the E-134 road between Notodden and Kongsberg.

Is Fjellstulfjellet Naturreservat accessible by public transport?

Yes, Fjellstulfjellet Naturreservat is accessible by public transport. Regular bus services connect Notodden and Kongsberg, passing directly by Jerpetjønnhovet, which is a key access point for many trails.

When is the best time of year to go running in Fjellstulfjellet Naturreservat?

The reserve is ideal for running during the warmer months when trails are clear of snow and ice. The varied landscape and tranquil environment are particularly enjoyable from spring through autumn. Always check local conditions before heading out, especially during shoulder seasons.

Can I bring my dog on the running routes in the reserve?

Fjellstulfjellet Naturreservat is a protected natural area. While specific regulations for dogs should always be checked with local authorities, generally, dogs are permitted on trails but must be kept on a leash to protect wildlife and ensure a peaceful experience for all visitors.

Are there circular running routes available in Fjellstulfjellet Naturreservat?

Yes, there are several circular running routes. For example, the Rundetjern – Trehyrna loop from Max Camping is a challenging 12.4 km circular route, and the Blekningstjønn – Tinnemyr loop from Notodden offers a moderate 11.6 km option.

What makes running in Fjellstulfjellet Naturreservat a unique experience?

Running in Fjellstulfjellet Naturreservat offers a unique blend of challenging and accessible trails through a pristine natural environment. The absence of motorized traffic ensures a peaceful and immersive experience amidst stunning landscapes, old-growth forests, small lakes, and diverse terrain, making it an ideal destination for a rewarding outdoor workout.

How many running routes are available in Fjellstulfjellet Naturreservat?

Komoot features over 10 running routes in Fjellstulfjellet Naturreservat, catering to various fitness levels. These include easy loops, moderate trails, and more difficult paths with significant elevation changes.

Are there any running routes that pass by lakes or water features?

Yes, the reserve is interspersed with small lakes, and many running routes will take you past these tranquil water features. For instance, the Tinnemyr loop from Tinfos I kraftverk is a moderate 7.9 km route that leads through forested areas and past small lakes.

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