Best natural monuments around gmina Radzymin include a landscape rich in both history and nature. The area features notable natural monuments, primarily ancient and impressive trees, alongside significant nature reserves and lakes. These sites offer ecological value and opportunities for appreciating the region's natural heritage. The region's natural features contribute to its biodiversity and provide a sense of timelessness.
Last updated: July 26, 2026
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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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The Horowe Bagno Nature Reserve, established in 1988, covers approximately 44 hectares and protects peat bogs, marsh forests, and habitats of rare plant and animal species. It is divided by a highway, with the S8 expressway nearby.
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Horowe Bagno – a peat bog nature reserve near Warsaw. Its administrative area is located within the town of Marki. The conservation goal is to preserve a diverse area of moist forests, peat bogs, and waters with numerous rare and protected plant species, serving as a refuge and breeding ground for numerous animal species. The shore is accessible by car, and many beautiful animal species, primarily birds, can be found there. https://pl.wikipedia.org/wiki/Rezerwat_przyrody_Horowe_Bagno
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The bridge is in a slightly better condition, a charming place, clean and rushing water. It is worth going along the path a bit to the side to find 3 footbridges that will lead us across the branches of the Długa river
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There is another place to cross the river than the ford. About 50 m upstream there are footbridges, or the aforementioned Kaliń bridges.
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The whole story described on the occasion of 11.11: https://dzieje.pl/wiadomosci/w-odwecie-za-plakaty-na-swieto-niepodleglosci-11-listopada-1939-r-w-zielonce-niemcy
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a lot of water has disappeared, it's getting smaller
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on the border of Marki and Zielonka
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Gmina Radzymin is home to several remarkable ancient trees. You can find an impressive Wych Elm in Ruda, Radzymin, known for its significant size and age. There are also several majestic Pedunculate Oaks, including one in Leśnictwo Struga with a circumference of 494 cm, and the particularly healthy and beautiful 'Grzegorz' Pedunculate Oak in Załubice Stare, situated next to a pond. Additionally, a notable Scots Pine stands in Struga.
The natural monuments in Gmina Radzymin primarily feature ancient and impressive trees, such as Wych Elms, Pedunculate Oaks, and Scots Pines. Beyond individual trees, the region also boasts significant nature reserves like Mosty Kalińskie Nature Reserve, which preserves a fragment of the Długa river valley, and Puszcza Słupecka Nature Reserve, known for its riparian and oak-hornbeam forests. You can also visit Lake Czarne, a shallow mud lake, and the peat bog reserve Horowe Bagno.
Yes, several natural monuments offer family-friendly experiences. Lake Czarne is accessible and has an information board detailing local animal species, making it educational for children. The 'Grzegorz' Pedunculate Oak in Załubice Stare is located on a well-maintained recreational plot next to a pond, providing a pleasant setting for families. While the reserves are for nature observation, the accessible areas around them can be enjoyed by families.
While primarily focused on natural features, the region also holds historical significance. For instance, the Memorial to the Scouts and Civilians Executed in Zielonka is a poignant historical site commemorating events from November 1939. This memorial is located in a forested area, blending natural surroundings with a significant historical narrative.
You can enjoy various outdoor activities near the natural monuments. For cycling, consider routes like the 'Hardened Forest Path – Kanał Żerański Path loop from Radzymin' or the 'Fort Beniaminów – Bridge Over the Rządza River loop from Radzymin'. If you prefer hiking, there are easy trails such as the 'Plaża Arciechów – Ruiny Mostu loop from Cupel' or the 'Forest Gravel Path – Regelbau 514 Bunker Ruins loop from Nadma'. You can find more details on these and other routes in the Cycling around gmina Radzymin and Hiking around gmina Radzymin guides.
Yes, for Puszcza Słupecka Nature Reserve, while the reserve itself is not open to the public, there are trails running along its shores. These include the former railway trail to the peat mine and the Sightseeing Nature and History Trail (green). For Mosty Kalińskie Nature Reserve, the Długa river valley offers opportunities for walks, though some sections might require careful navigation, especially for cyclists during higher water levels.
The natural monuments, particularly the ancient trees and nature reserves, are beautiful year-round. Spring and autumn offer pleasant temperatures for walking and vibrant foliage. Summer is ideal for longer days and enjoying the recreational areas. Even in winter, the evergreen Scots Pines and the serene landscapes of the reserves can offer a unique, quiet experience, though accessibility might vary depending on snow conditions.
The nature reserves and ancient trees provide habitats for various species. Horowe Bagno, a peat bog reserve, is a refuge and breeding ground for numerous animal species, especially birds. Lake Czarne has an information board detailing locally occurring animal species, indicating its ecological value for wildlife observation.
While specific designated viewpoints are not widely highlighted, the natural settings themselves offer scenic beauty. The 'Grzegorz' Pedunculate Oak in Załubice Stare is on a picturesque recreational plot next to a pond. The Długa river valley within Mosty Kalińskie Nature Reserve provides a mosaic of open forest and wetlands, offering tranquil views. The surrounding forest environments of the ancient trees also provide peaceful spots for contemplation.
Visitors often appreciate the tranquility and natural beauty of the area. The ancient trees are admired for their impressive size and resilience, offering a sense of timelessness. The nature reserves are valued for their ecological significance, preserving diverse habitats and rare plant species. The opportunity for peaceful walks, nature observation, and connecting with the region's natural heritage is a common highlight for those exploring Gmina Radzymin's natural monuments.
Information on specific public transport routes directly to each natural monument is limited. However, Gmina Radzymin is generally accessible, and local bus services might connect to towns or villages near some of the sites. For more remote locations like some of the ancient trees or deeper parts of the reserves, personal transport or cycling might be more convenient. It's advisable to check local transport schedules for specific destinations.
Generally, nature reserves in Poland are open for public access on designated trails, but specific regulations apply to protect the environment. For Puszcza Słupecka Nature Reserve, the reserve itself is not open to the public, but trails run along its shores. For other reserves like Mosty Kalińskie Nature Reserve and Horowe Bagno, visitors are typically expected to stay on marked paths, refrain from disturbing wildlife, and not collect plants or other natural elements. No special permits are usually required for general visitation, but it's always good practice to check local signage for any specific rules.


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