Best attractions and places to see around Rezerwat Las Warmiński, a significant forest nature reserve in Poland, offer diverse natural beauty and historical insights. Located south of Olsztyn, this area is known for its unique forest ecosystems, including old-growth forests and the Łyna River valley. The reserve encompasses an area of approximately 1803 hectares, protecting numerous species and geological features. Visitors can explore a landscape shaped by hilly moraines and ancient human activity.
Last updated: May 19, 2026
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You can safely leave your car at the parking lot in Ruś. Continuing upstream, you'll reach the bridge at the hydroelectric power plant. You can cross the river and return to your car along the left bank. I highly recommend it.
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The destroyed bridge over the Łyna River
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A little over 120 years ago, a glassworks with a grinding shop, a tavern and a school operated here. The settlement had a population of about 300 people. The three furnaces of the glassworks produced window glass, glasses, bottles and dishes. Wood ash was leached to obtain potassium - a valuable raw material for the production of paints, beer and glass. The surrounding forests provided wood, of which the glassworks used 8-9 thousand cubic meters per year.
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A very charming path. Even having to walk my bike didn't disturb my trip.
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I didn't expect this bridge to be so large and high, and the beautiful bed of the Łyna River.
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The place where the Łyna River flows from Lake Ustrych is separated by a small hydroelectric power plant. This point is called the Ustrych Power Plant. The power plant itself is maintenance-free and the water damming height is about 1 m. The water moves two small power turbines, which are secured with three bulkheads.
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The "Las Warmiński" reserve is named after the famous Olsztyn botanist - prof. Benona Polakowskiego - with an area of 1803.15 ha, it is one of the largest forest nature reserves in Poland. Tree stands over 100 years old occupy nearly 63% of the site's area. In the reserve, apart from common animals, we can meet such species as: European otter, weasel, badger, dormouse or bats. A magnificent inhabitant of the forest is the European deer with a characteristic, slender body structure. Deer from Warmia are characterized by particularly beautiful antlers and are second only to Carpathian deer in this respect. There are also wolves in the reserve.
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The reserve is renowned for its diverse natural beauty. You can experience the unique 'mountainous' character of the Łyna River Valley, featuring fast currents, rapids, and cascades flowing through a deep gorge. The area also boasts ancient forests, with many trees over 100 years old, including pines exceeding 200 years and oaks over 350 years. Additionally, several picturesque mid-forest lakes like Ustrych, Galik, Jełguń, and the larger Lake Łańskie border the reserve.
Yes, the reserve holds several historical traces. You can find ancient kurgan burial mounds dating back approximately 2000 BCE near the former village of Jełguń. Other remnants include old paved roads, stone signposts, and ancient bridge abutments from the former settlement of Sójka, such as the Ruins of the Sójka Bridge on the Łyna River. Near the Zazdrość forester's lodge, there are remains of 14th or 15th-century defensive earthworks. The historical site of Jełgun Glassworks also offers a glimpse into the region's industrial past.
The Warmiński Forest Nature Reserve is a haven for diverse wildlife. Keep an eye out for European otters, weasels, badgers, dormice, bats, and European red deer, known for their particularly beautiful antlers. Wolves are also present in the reserve. It's a vital habitat for many protected bird species, including the white-tailed eagle, osprey, black kite, greater spotted eagle, and black stork, along with common buzzards, cranes, and kingfishers.
The area offers excellent opportunities for outdoor enthusiasts. Kayaking on the Łyna River is a popular choice, especially the section with its rapid current and cascades. Hiking and nature observation are also highly recommended, with numerous designated paths allowing you to immerse yourself in the pristine environment. For cycling, you can explore various routes, including those for touring bicycles and road cycling. Find more options on the Cycling around Rezerwat Las Warmiński and Road Cycling Routes around Rezerwat Las Warmiński guide pages.
Yes, there are various hiking trails available. For instance, the Trail Along the Łyna is described as challenging and sometimes muddy, offering beautiful views. You can also find easier hiking loops, such as those around Zielonowo, which are typically 3-6 km long. For more hiking options, including waterfall hikes, refer to the Waterfall hikes around Rezerwat Las Warmiński guide page.
The Łyna River offers an exciting kayaking experience, particularly the section between Lake Ustrych and the village of Ruś, known for its rapid current and cascades. Its pristine and wild nature, flowing through a deep gorge, is considered a European phenomenon. Due to its protected status, permits may be required for certain sections of the river, so it's advisable to check local regulations before planning your trip.
The Łańsk Government Resort, located on the shore of Lake Łańskie within the reserve, has a unique history. For nearly half a century, starting in the 1950s, it operated as a top-secret government complex. It was inaccessible to the public and served as a retreat for high-ranking officials of the Polish People's Republic for relaxation and hunting.
The Ustrych Hydroelectric Power Plant on the Łyna River is a man-made monument where the Łyna River flows from Lake Ustrych. It's a small, maintenance-free power plant with a water damming height of about 1 meter, featuring two small turbines secured by three bulkheads.
The reserve offers different experiences throughout the year. Spring and autumn are ideal for hiking and nature observation, with vibrant foliage or blooming flora. The Łyna River's 'mountainous' section never fully freezes, even in winter, due to abundant underground springs, making it a unique sight year-round. Wildlife spotting is generally good during quieter seasons.
While the reserve is primarily focused on nature and historical exploration, many of the natural features and designated paths are suitable for families who enjoy outdoor activities. The Ustrych Hydroelectric Power Plant on the Łyna River and the historical site of Jełgun Glassworks are listed as family-friendly highlights. Easy hiking loops, such as those near Zielonowo, can also be a good option for families.
The Łyna River within the reserve is considered a European phenomenon due to its 'mountainous' character, featuring a fast current, rapids, and cascades flowing through a deep gorge with steep banks. Its exceptional purity is evidenced by the presence of the rare and protected red algae Hildebrandia rivularis. Unusually, it never fully freezes even in winter, thanks to abundant underground springs.
Yes, the Rezerwat Las Warmiński, officially named Rezerwat Przyrody Las Warmiński im. prof. Benona Polakowskiego, is a significant forest nature reserve established to protect unique forest ecosystems and numerous protected species characteristic of Warmia and Masuria. You can find more detailed information about its ecological importance and protected species on official government and nature conservation websites. For example, the Polish Wikipedia page provides extensive details: Rezerwat przyrody Las Warmiński im. prof. Benona Polakowskiego.


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