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Østsidenmarka

The best MTB trails in Østsidenmarka

2.5

(2)

125

riders

24

rides

Mountain biking in Østsidenmarka offers a varied landscape, characterized by extensive forests, wetlands, and diverse natural habitats. The region features a mix of spruce and pine forests, providing a scenic backdrop for mountain bike trails. Riders can expect varied terrain, including both singletrack and doubletrack experiences, with routes catering to different skill levels.

Best mountain bike trails in Østsidenmarka

  • The most popular mountain bike trail is Sarpsborg – Roald Amundsen Birthplace loop from Fredrikstad, a 22.1 miles (35.5 km)…

Last updated: June 29, 2026

3.0

(1)

1

riders

#1.

Duck and Swan Pond – Drawbridge Over the Moat loop from Fredrikstad

25.9km

01:42

200m

200m

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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Moderate

2.0

(1)

26

riders

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Tips from the Community

Alex Foxfield
June 11, 2026, Gansrød picnic area

This picnic area is the usual start point for the Gansrød Trail, a lovely short loop of the peninsula. Allow just over an hour for the round. There's parking by the picnic area too.

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Bjørnevågenlia Nature Reserve (or Bjørnevågenlia naturreservat) is a protected forest area located in the Kråkerøy archipelago. It is famed for its rich flora and spring flushes of flowers. It is also a great hiking destination with ample well-marked trails.

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The Lunderamsa burial site is a beautiful example of a large Bronze Age burial cairn. It is not the more common round cairn but the rarer longer burial mound. It is set atop a large rocky hill in a pine forest with some rocky outcrops. There are some information posters here, and there is also an easily accessible footpath.

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Here you can experience the wild coastal landscape of Eastern Norway, far from any hustle and bustle. The loop starts at the distinctive Kråkerøy church and leads over solid wooden bridges and smoothly polished Svaberg rocks out to the outermost islets of Glufsa. A name that is no coincidence: „Glufs* means «gust of wind» in Old Norse, and that is exactly what you feel here when the southwest wind meets the currents of the Oslo Fjord. Along the way, it is worth taking a look into the rock pools and gorges. An impressive Jettegryte awaits in a rocky bay. A giant's kettlehole formed by water as a silent testament to the forces of nature. The tour is accessible all year round and, thanks to its moderate altitude profile, is also suitable for families.

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Great view over this body of water, in winter if the ice is thick enough it is walkable (or rideable).

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Borredalsdammen is a wonderfully calm lake, perfect for a swim on the east bank, with a pleasant walking path on the west side.

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Frank Paganini
April 17, 2025, Ski Lodge

Ideal spot for a breather and taking in the views.

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Drawbridge over the moat.

Translated by Google

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Frequently Asked Questions

How many mountain bike trails are available in Østsidenmarka?

Østsidenmarka offers a network of over 25 mountain bike trails, catering to various skill levels. You'll find a mix of easy, moderate, and challenging routes through its diverse landscapes.

Are there mountain bike trails suitable for beginners or families in Østsidenmarka?

Yes, Østsidenmarka has several easy mountain bike routes perfect for beginners or family outings. An example is the Enhus – Bjørnevågenlia naturreservat loop from Fredrikstad, which is an easy 19.4 km trail.

What kind of terrain can I expect on mountain bike trails in Østsidenmarka?

The terrain in Østsidenmarka is varied, characterized by extensive spruce and pine forests, wetlands, and numerous waterways. Riders can expect a mix of singletrack and doubletrack experiences, with some routes featuring more technical sections and others offering smoother rides.

Are there any circular mountain bike routes in Østsidenmarka?

Many of the mountain bike trails in Østsidenmarka are designed as loops, allowing you to start and finish at the same point. A popular moderate loop is the Sarpsborg – Roald Amundsen Birthplace loop from Fredrikstad, which covers 35.5 km.

Can I bring my dog on the mountain bike trails in Østsidenmarka?

Generally, dogs are welcome on trails in Østmarka, but it's important to keep them on a leash, especially during nesting seasons and in protected areas. Always check local regulations for specific trails or nature reserves within Østsidenmarka to ensure compliance.

What are some challenging mountain bike routes for experienced riders in Østsidenmarka?

For experienced riders seeking a challenge, Østsidenmarka offers routes with more technical sections. While specific advanced routes are not detailed in the guide, the region is known for trails that correspond to higher STS difficulty ratings (S3-S6), sometimes requiring riders to push their bikes. The Duck and Swan Pond – Drawbridge Over the Moat loop from Fredrikstad is a moderate 25.8 km path that provides a mix of terrain suitable for experienced riders.

What is the best time of year for mountain biking in Østsidenmarka?

The best time for mountain biking in Østsidenmarka is typically from spring through autumn when trails are dry and free of snow. During these seasons, the forest landscapes are vibrant, and weather conditions are generally favorable. Winter mountain biking is possible but requires appropriate gear and awareness of snow and ice conditions.

Are there any notable natural features or viewpoints along the mountain bike trails?

Østsidenmarka is rich in natural beauty, featuring old-growth forests, countless waterways with signs of beavers, and diverse birdlife. While specific viewpoints are not listed, the varied terrain and intact nature provide a captivating backdrop for rides. The Flytstistur tour via Borredalsdammen leads through diverse natural habitats, offering scenic views.

How accessible are the mountain bike trails in Østsidenmarka by public transport or car?

Østmarka, including parts of Østsidenmarka, is generally well-connected. Many trailheads are accessible by public transport from nearby towns like Fredrikstad. For those driving, parking is often available near popular starting points, though it's always advisable to check specific trailhead information beforehand.

What do other mountain bikers enjoy most about mountain biking in Østsidenmarka?

The komoot community rates mountain biking in Østsidenmarka with an average score of 2.5 stars. Riders often praise the varied landscape, the extensive network of trails, and the opportunity to explore diverse natural habitats, from dense forests to wetlands.

Are there any specific rules or restrictions for mountain biking in protected areas within Østsidenmarka?

Østmarka includes both recreational areas and parts of a national park. In national park areas, especially vulnerable 'Zone A' regions, stricter rules apply, and cycling may be restricted to protect nature and vegetation. Always check local signage and regulations for specific protected zones within Østsidenmarka.

Can I find cafes or accommodation near the mountain bike trails in Østsidenmarka?

While Østsidenmarka is primarily a natural forest area, nearby towns like Fredrikstad offer various cafes, restaurants, and accommodation options. It's recommended to plan your refreshment and lodging needs in these urban centers before or after your ride.

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