4.7
(3)
323
runners
49
runs
Jogging in Leitjernsfjellet Naturreservat offers varied terrain for outdoor activity, situated at an elevation of 500 to 550 meters above sea level. The reserve features an old and largely undisturbed forest with significant deadwood, contributing to a rich ecosystem. Its bedrock, composed of ekeritt and volcanic rocks, influences the landscape, creating an engaging environment for runners. A distinctive bakkemyr (marsh) in the southern part adds to the ecological diversity of the area.
Last updated: July 12, 2026
5
runners
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
13
runners
6.59km
00:42
70m
70m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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21
runners
19.6km
02:01
60m
60m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
runners
14.7km
01:31
70m
70m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
9.18km
00:57
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Åssiden elvepark is a pleasant place to spend time on the weekend. It features large play areas and picnic spots, as well as a beach where you can swim in a small natural pool that forms along the riverbank.
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A lovely little beach on the shore of Lake Hagatjern. Here you can take a break and go for a swim.
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At Ryggsetra, you will find a small beach where you can relax a little and take a dip in Hagatjern.
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Leitjernsfjellet Naturreservat offers a wide selection of running routes, with over 50 different trails to explore. These routes cater to various fitness levels, ranging from easy to difficult.
The reserve features diverse terrain, characterized by an old and largely undisturbed forest with significant deadwood. The bedrock, composed of ekeritt and volcanic rocks, influences the landscape, creating varied elevated sections. You'll also find a distinctive bakkemyr (marsh) in the southern part, adding to the ecological diversity.
Yes, there are easy options available. For a gentle run, consider the Running loop from Bremsåsen naturreservat. This 4.1 km (2.6 miles) trail is classified as easy and can typically be completed in about 26 minutes.
While jogging, you might encounter several interesting natural features. The reserve is known for a large beaver dam and an impressive forest anthill over one meter high. Additionally, Solbergvarden offers panoramic views overlooking Drammen, providing a scenic reward during your run.
Many of the routes in the reserve are designed as loops, offering circular running experiences. For example, the Anthill at Bremsetfjera – View of Øyungen Lake loop from Bremsåsen naturreservat is a moderate 5.6 km (3.5 miles) path that takes you past a notable anthill and offers views of Øyungen Lake.
The running routes in Leitjernsfjellet Naturreservat are highly rated by the komoot community, with an average score of 5.0 stars. Runners often praise the varied terrain, the serene natural environment, and the opportunity to explore old-growth forests and unique geological features.
Yes, for those seeking a greater challenge, there are more difficult options. The Grua – Pålsøya loop from Solbergfjellet naturreservat is a difficult 19.7 km (12.2 miles) route, typically taking over 2 hours to complete, offering a substantial workout.
The reserve's diverse network of trails includes options suitable for various fitness levels, making it possible for families to find routes that match their capabilities. The presence of natural features like the beaver dam and large anthill can also add an element of discovery for children.
While specific parking details for each trail may vary, the MIF Hytta Cabin is mentioned as a potential starting point for many trails, suggesting parking facilities might be available in that vicinity. It's advisable to check specific route details on komoot for recommended access points.
Absolutely. The View of Øyungen Lake – Anthill at Bremsetfjera loop from Bremsåsen naturreservat is a popular choice. This 14.0 km (8.7 miles) trail leads through forested areas and provides beautiful views of Øyungen Lake.
The reserve offers a stimulating environment for running throughout much of the year. While specific seasonal considerations aren't detailed, the diverse terrain and forested areas suggest pleasant conditions in spring, summer, and autumn. Winter running might be possible, but conditions would depend on snow and ice.
Given the reserve's designation as a nature reserve with an undisturbed forest and a large beaver dam, there's a good chance to observe local wildlife. Keep an eye out for beavers near water features and various forest animals and birds within the old-growth woodlands.


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