4.1
(51)
497
riders
30
rides
Mountain biking around Marki offers access to diverse natural landscapes, characterized by expansive forests and local lakes. The region features a network of trails, including singletracks that wind through the "Lasy Mareckie" (Marki Forests). Riders can expect varied terrain, from well-packed surfaces to sections with typical Masovian sand and roots, and even dune ridges. This area provides a mix of easy and more challenging routes, catering to different skill levels.
Last updated: May 11, 2026
4.8
(10)
126
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(3)
24
riders
18.9km
01:27
30m
30m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.3
(3)
25
riders
50.5km
03:46
90m
90m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
20
riders
59.3km
04:07
100m
100m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(2)
18
riders
42.5km
02:34
70m
70m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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A bit of a country road
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The forest reserve was established by the ordinance of the Minister of Environmental Protection, Natural Resources and Forestry of December 31, 1993, on an area of 160.56 ha. It was created thanks to the efforts of prof. Witold Rosa, head of the Forest Management Department at SGGW in the years 1977-1985. It is located on the south-eastern edge of the Nieporęt commune, in the fork of the Marki-Nieporęt and Marki-Legionowo roads, on the Czarna river. The name refers to the historical forest in the vicinity of Słupno, which was heavily thinned by logging and peat exploitation. The reserve is dominated by riparian forest, alder swamps, oak-hornbeam forests, and mixed coniferous forests. 80% of the tree stand is alder and birch. Rez. “Puszcza Słupecka” is one of the most valuable forest areas in Mazovia. Many rare protected plant species occur here, including the mezereon (Daphne mezereum) – a highly poisonous plant whose fruits can cause human death if ingested. In the reserve, golden orioles, black storks, and cranes nest, and moose, roe deer, wild boars, raccoon dogs, and foxes occur, as well as the adder among reptiles.
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Rezerwat Puszcza Słupecka. The reserve was established to preserve, for scientific and educational purposes, diverse forest communities: alluvial forests, oak-hornbeam forests, and pine forests with rich occurrences of protected, rare, and endangered plants. The reserve itself is not open to visitors, but the old railway line to the peat mine runs along its edges (on the embankment).
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Worth recommending and visiting!
0
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great route, although a bit monotonous
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An interesting fact is that the bridge on the railway line no. 10 Legionowo - Tłuszcz was completely modernized in 2022. There are a lot of materials on this topic, both in writing and on YT :-) https://www.nakolei.pl/plk-buduja-nowy-most-nad-kanalem-zeranskim-w-nieporecie/ https://www.youtube.com/watch?v=OJB9Xbg4DHM
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Unfortunately, a badly damaged section. Cars are dusty as hell.
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Marki offers a network of over 30 mountain bike trails, catering to various skill levels. You'll find a mix of easy, moderate, and challenging routes, with the majority being more difficult, providing ample opportunities for experienced riders.
The terrain around Marki is quite diverse, featuring expansive forests, particularly the "Lasy Mareckie," and local lakes. Riders can expect winding singletracks, well-packed surfaces, and sections with typical Masovian sand and roots. Some trails, like those in "Zielonka," even incorporate technical features such as small drops and log walls, while others, such as the "Horowe Bagno" trail, follow dune ridges.
Yes, Marki offers several easy mountain bike routes suitable for families or those looking for a more relaxed ride. For instance, the Lake Czarne – Forest Road loop from Marki is an easy 13.3-mile (21.4 km) path that provides a scenic ride around Lake Czarne and along forest roads, perfect for all fitness levels.
For experienced riders seeking a challenge, Marki has numerous difficult trails. The Great section through the forest – Footbridge over the Czarna stream loop from Czarna Struga is a 20.8-mile (33.4 km) difficult trail through dense forest. Another option is the Meksyk Pond – Forest Singletrack loop from Marki, a 14.9-mile (24.0 km) route known for its varied forest singletrack. Trails in "Lasy Mareckie" are also known for requiring good fitness and advanced skills.
While mountain biking in Marki, you can explore several natural attractions. You might encounter the Mosty Kalińskie Nature Reserve or the Entry to Rezerwat Kawęczyn. The region also features beautiful lakes such as Lake Czarne and Meksyk Pond, which are often part of scenic routes. The Horowe Bagno is another notable natural area with winding singletrack along a dune ridge.
Yes, many of the mountain bike trails around Marki are designed as loops, offering convenient circular routes. Examples include the Lake Czarne – Forest Road loop from Marki and the Meksyk Pond – Forest Singletrack loop from Marki, allowing you to start and finish at the same point.
The best time for mountain biking in Marki is generally during spring and autumn when the weather is mild and the forest scenery is particularly beautiful. While trails are accessible year-round, conditions can vary; some sections may become sandy in dry periods or muddy after rain. Summer offers longer daylight hours, but can be warmer, while winter might present snow or icy conditions.
The mountain bike trails in Marki are highly rated by the komoot community, with an average score of 4.1 stars from over 40 reviews. Riders often praise the diverse forest singletracks, the varied terrain including sandy sections and dune ridges, and the mix of easy and challenging routes available. The scenic beauty around lakes like Jezioro Czarne is also frequently highlighted.
While specific parking areas for each trail are not always explicitly marked, Marki, being close to urban amenities and having accessible natural landscapes, generally offers various parking options. Many forest access points or trailheads will have informal or designated parking spaces. It's advisable to check local maps or community forums for the most convenient parking for your chosen route.
Marki's proximity to larger urban centers suggests that public transport options are available to reach the town itself. From there, access to the forest trails might require a short ride or walk. For specific trailheads, local bus services or regional connections might be an option, but it's recommended to research routes and schedules in advance to plan your journey effectively.
Given Marki's status as an emerging outdoor destination with proximity to urban amenities, you can expect to find cafes, pubs, and other eateries within or near the town center. While specific establishments directly adjacent to every trailhead might be limited, there are options available for refreshments and meals before or after your ride.
Generally, permits are not required for mountain biking on public trails in forested areas around Marki. However, it's always good practice to respect local regulations, stay on marked trails, and be mindful of any signage regarding protected areas or private land. Always check for any specific local rules that might apply to certain reserves or natural monuments.


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