4.0
(1)
44
riders
9
rides
Gravel biking in Leitjernsfjellet Naturreservat offers diverse terrain situated on a ridge between Eikeren lake and the Drammenselva river. Elevations typically range from 500 to 550 meters above sea level, featuring bedrock of ekeritt and volcanic rocks. The landscape includes old, undisturbed forests with abundant deadwood, sparser growth in higher areas, and richer plant life in valleys. A low-lying bog, Løkmyr, also contributes to the varied natural features.
Last updated: May 22, 2026
4.0
(1)
7
riders
35.1km
02:10
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
61.8km
04:08
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
25.8km
01:38
470m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
25.3km
01:35
350m
350m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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This popular swimming spot in the region, complete with a jetty and benches, is situated just above Dammen. It is an artificial lake, and the dam creates a stunning waterfall. In the middle lie two pretty islets connected by bridges.
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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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Impressive waterfall with adjacent mini-park and park bench
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Sculptures of a pig family on the Drammen waterfront
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Here you will not only find plenty of resting places, but also works of art and playgrounds
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Reservoir above Drammen.
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Beautifully landscaped riverside and new center
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There are 11 gravel bike trails in Leitjernsfjellet Naturreservat, offering a variety of experiences for different skill levels. These include 3 moderate and 8 difficult routes.
The terrain in Leitjernsfjellet Naturreservat is quite diverse, situated on a ridge between Eikeren lake and the Drammenselva river. Elevations typically range from 500 to 550 meters above sea level. You'll encounter bedrock of ekeritt and volcanic rocks, leading to varied surfaces. Some routes feature heavy gravel requiring good fitness, while others have mostly paved sections suitable for all levels. Expect a mix of old, undisturbed forests, sparser growth in higher areas, and richer plant life in valleys.
Yes, Leitjernsfjellet Naturreservat offers several challenging routes. For instance, the Hokksund Church – Kongfoss Waterfall loop from Mjøndalen is a difficult 38.4-mile (61.8 km) path traversing diverse landscapes and forested areas. Another demanding option is the Hokksund Church – Vestfossen Kunstlaboratorium loop from Consto stadion, a 21.8-mile (35.1 km) trail with varied surfaces through the natural reserve.
While many routes are rated difficult, there are moderate options available. The Drammen River Promenade – Ypsilon Bridge, Drammen loop from Mjøndalen is a moderate 18.3-mile (29.4 km) route that offers a less strenuous experience. Another moderate choice is the Hokksund Church loop from Mjøndalen, covering 15.7 miles (25.3 km).
Beyond the cycling routes, the reserve holds several points of interest. You can marvel at a large beaver dam, an impressive anthill over one meter high, and enjoy expansive vistas over the city of Drammen from Solbergvarden viewpoint. Views of Øyungen Lake are also part of the scenic offerings. The landscape itself features an old, undisturbed forest with abundant deadwood and the low-lying Løkmyr bog, dominated by cottongrass.
Yes, many of the gravel bike routes in the area are designed as loops. Examples include the popular Helgerudåsen loop from Mjøndalen, which is 16.0 miles (25.8 km) and leads through varied forest terrain, and the Hokksund Church – Vestfossen Kunstlaboratorium loop from Consto stadion.
The diverse terrain and natural features of Leitjernsfjellet Naturreservat make it appealing across seasons. However, for optimal gravel biking conditions, late spring through early autumn typically offers the most pleasant weather and accessible trails. During these months, you can best enjoy the varied forest types, open landscapes, and natural attractions without the challenges of snow or ice.
While some routes are challenging, the presence of moderate trails and varied natural attractions can make Leitjernsfjellet Naturreservat suitable for families. Families might prefer the less strenuous routes like the Drammen River Promenade – Ypsilon Bridge, Drammen loop from Mjøndalen. The natural features like the beaver dam and large anthill can also be engaging for children.
Leitjernsfjellet Naturreservat is a natural reserve, and while specific regulations for dogs on gravel bike trails are not detailed, it's generally advisable to keep dogs on a leash to protect wildlife and ensure a pleasant experience for all visitors. Always check local signage for any specific restrictions within the reserve.
For routes starting near Mjøndalen, you can often find parking in or around the town. For example, the Hokksund Church – Vestfossen Kunstlaboratorium loop starts from Consto stadion, suggesting parking availability in that vicinity. Always look for designated parking areas to ensure you are not obstructing local access or violating any regulations.
The gravel biking routes in Leitjernsfjellet Naturreservat are highly rated by the komoot community, with an average score of 4.5 stars from a few reviews. Over 60 gravel bikers have used komoot to explore the varied terrain, often praising the diverse landscapes and the mix of challenging and moderate paths.
The gravel bike trails in Leitjernsfjellet Naturreservat vary significantly in distance. You can find shorter loops like the Helgerudåsen loop from Mjøndalen at 16.0 miles (25.8 km), to much longer and more challenging routes such as the Hokksund Church – Kongfoss Waterfall loop from Mjøndalen, which spans 38.4 miles (61.8 km).


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