4.6
(44)
479
riders
88
rides
Gravel biking around gmina Radzymin features routes through lowland terrain, characterized by numerous waterways, forests, meadows, and agricultural fields. The region includes sections along the Narew River, the Bug River, and the Zegrzyński Lagoon, offering varied surfaces for gravel cyclists. Trails often traverse wooded paths, canal-side routes along the Kanał Żerański, and areas like the Mosty Kalińskie Nature Reserve, providing a mix of natural and semi-developed environments.
Last updated: July 17, 2026
4.3
(3)
19
riders
19.9km
01:15
70m
70m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
11
riders
32.7km
01:54
70m
70m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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11
riders
35.8km
02:29
230m
230m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
9
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
7
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The drop zone „KOC I” was one of the important air landing sites for the Home Army (Armia Krajowa) during World War II.
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The line was built in 1902 under the direction of engineer Roguski for the transport of summer visitors and the exploitation of local peat deposits.
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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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The "KOC I" airdrop site was a key airdrop site for the Home Army during World War II, operating as part of the County Trail of Fighting Poland. On the night of September 14-15, 1943, air operation "Neon 6" was carried out here, during which three Cichociemni (Silent Unseen) and supplies for the Home Army, including weapons, materials, and money, were dropped. Over 100 underground soldiers participated in securing the airdrop site. The next operation – "Weller 1" – took place on the night of April 9-10, 1944. Four Cichociemni (Silent Unseen) parachuted into occupied Poland, and an aircraft delivered additional containers and parcels of supplies. The airdrops were made possible thanks to the cooperation of Home Army soldiers, Cichociemni (Silent Unseen), and RAF aircrews. The "KOC I" airdrop site played a significant role in supplying and strengthening the Polish independence underground in Masovia. Today, this place commemorates the heroes of the fight for freedom and reminds us of the underground activities of the Polish Underground State.
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Soviet Prisoners of War Cemetery. It was established during World War II as a burial place for Red Army soldiers who died in the German POW camp in Białobrzegi. Approximately 10,000 people are buried here – Soviet prisoners of war of various nationalities, including Russians, Ukrainians, Belarusians, and other peoples of the former Soviet Union. Today, during the ongoing war and the Russian invasion of Ukraine, this place takes on an even deeper and more painful meaning.
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Currently, it is passable even after rains
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Gmina Radzymin offers a diverse range of gravel bike trails suitable for various skill levels. You'll find a good mix of easy, moderate, and difficult routes. Specifically, there are over 50 easy routes, around 35 moderate routes, and over 20 challenging routes to explore.
Yes, gmina Radzymin has several options that are great for families. Many of the easy routes, particularly those along the Narew River or through less challenging forested areas, are suitable. For example, the Dębe Hydroelectric Power Plant – Along the Narew loop from Zegrze is an easy, relatively flat route that follows the river, making it a pleasant option for a family outing.
The terrain in gmina Radzymin is primarily lowland, characterized by a mix of surfaces. You'll encounter wooded paths, sections alongside canals like the Kanał Żerański, and routes that follow the Narew River and the Zegrzynski Lagoon. Expect a blend of natural and semi-developed environments, often with compacted gravel, dirt, and some paved sections.
Absolutely. Many of the gravel routes in gmina Radzymin are designed as loops, allowing you to start and finish at the same point. Examples include the popular Dębe Hydroelectric Power Plant – Along the Narew loop from Zegrze and the longer Zegrzynski Lagoon – Jadwisin Nature Reserve loop from Dąbkowizna, which offers a comprehensive tour of the lagoon area.
Gravel biking in gmina Radzymin offers opportunities to see various natural and man-made attractions. You can ride along the Kanał Żerański Path, visit the Mosty Kalińskie Nature Reserve, or pass by the impressive Dębe Hydroelectric Power Plant. Many routes also feature sections through dense forests and along the scenic Zegrzynski Lagoon.
Route lengths vary significantly to cater to different preferences. You'll find shorter rides, such as the Hardened Forest Path – Lake Czarne loop from Marki at around 17.8 km, perfect for a quicker outing. Longer routes, like the Zegrzynski Lagoon – Jadwisin Nature Reserve loop from Dąbkowizna, can extend up to 66 km, offering a full day's adventure.
The gravel biking routes in gmina Radzymin are highly regarded by the komoot community, holding an average rating of 4.5 out of 5 stars from over 50 reviews. Riders frequently praise the varied scenery, including riverbanks, forests, and the Zegrzynski Lagoon, as well as the well-maintained paths suitable for gravel bikes.
Yes, for experienced riders seeking a challenge, gmina Radzymin offers over 20 difficult routes. These trails often feature longer distances, more varied terrain, and potentially more technical sections compared to the easy or moderate options. While specific advanced routes are not detailed here, you can find them among the 111 available tours on komoot.
The best time for gravel biking in gmina Radzymin is generally from spring through autumn (April to October). During these months, the weather is typically mild, and the trails are in good condition. While winter riding is possible, be prepared for colder temperatures, potential snow or ice, and shorter daylight hours, especially on forested paths.
Parking availability varies by trailhead. Many routes start from towns or villages where public parking might be available. For routes like the Great section through the forest – Large abandoned marina loop from Słupno, you would typically look for parking in or near Słupno. It's advisable to check the specific tour details on komoot for suggested starting points and potential parking information.
Given the region's characteristics of forests, waterways, and nature reserves like Mosty Kalińskie, there are definitely opportunities for wildlife spotting. Keep an eye out for various bird species, small mammals, and other local fauna, especially during quieter times of day or in less frequented forested sections.
There are over 100 gravel bike trails recorded in gmina Radzymin on komoot, offering a wide array of choices for different skill levels and preferences. This includes 54 easy, 36 moderate, and 21 difficult routes.


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