5.0
(13)
82
runners
22
runs
Jogging routes around Rezerwat Lake Kośno traverse a landscape reserve characterized by its central, deep mesotrophic lake and extensive surrounding forest complexes, primarily pine. The region's post-glacial origins are evident in the lake's steep and narrow shores, offering varied terrain for runners. An approximately 20-kilometer educational-nature trail encircles Lake Kośno, providing a well-marked path through diverse plant life and tranquil environments. This area, situated on the border of Warmia and Masuria, offers a natural setting for running.
Last updated: May 13, 2026
17
runners
7.46km
00:46
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(6)
9
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
runners
22.0km
02:25
100m
100m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
10.0km
01:04
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
11.8km
01:26
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The market square in Pasym with the Town Hall - a quiet and peaceful place, away from car traffic.
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A square with benches. You can eat something here.
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Gothic Evangelical-Augsburg church in Pasym. The construction was completed in 1391. Since the Reformation, it has been a Lutheran church. The characteristic shingled cupola-shaped tower was built during the reconstruction of the church after a fire at the end of the 18th century. The main altar is in the late Mannerist style, the Baroque pulpit from 1680, Gothic benches from the 15th century and Mannerist benches from the 17th century, organ from the 18th century.
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Church in Pasym Sacred Heart of Jesus, built in 1884.
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The town hall in Pasym - a neo-Gothic building with a small tower in the Renaissance style. Built in 1854-1855 on the site of the former medieval town hall.
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The foundation stone for a church was probably laid around 1350, but the construction was only completed in 1391. The church was probably dedicated to St. Barbara and dates back to the Teutonic Order.[1] The current building, however, dates from the last quarter of the 15th century. The tower, sacristy and vestibule were built in the first quarter of the 16th century.[1] The Passenheim church belonged to the Archipresbyterate of Bischofsburg (Polish: Biskupiec). In 1525 the Passenheim pastors committed themselves to the Lutheran Reformation - the church became Protestant. During a major fire in Passenheim in 1583, the church, nine houses and the order's castle were spared. It remained intact even when the Tatars invaded the city on December 19, 1657 because of a wall painting. The pastor at that time was Andreas Hartknoch, the father of the historian Christoph Hartknoch. The spire of the church was badly damaged in the city fire on June 23, 1751. The repair turned out to be complicated because, in addition to the destroyed tower roof, other rotten wooden parts also had to be replaced. The tower was reduced by one floor and received its curved helmet in 1770, which it still wears today.[1] The interior of the nave was redesigned. The process dragged on from 1753 to 1772 due to a lack of money. A sketch dated June 2, 1763 shows the new roof shape and interior of the church. According to Agathon Harnoch, the repairs were carried out between 1765 and 1775. Source: Wikipedia
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Church of the Sacred Heart of Jesus in Pasym - a church in Pasym, built in 1873-1876 in the neo-Gothic style. Built together by local Catholics and Evangelicals, it was consecrated in 1884. In 1901 a parish was created. The temple is located at ul. Fr.. Barczewski 3.
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The current church was built in the second half of the 15th century. At that time, the construction of the adjacent high bell tower was also completed. The temple was renovated after the fires of 1583 and 1750. After the latter, the tower was lowered by one floor and was covered with a domed cupola, the walls were reinforced with buttresses, the old wooden vault in the central nave was replaced by a new bucket vault, the southern porch was also rebuilt ( 1765-1775). The building has remained unchanged to modern times. From 1525, the temple belongs to the faithful of the Evangelical Church of the Augsburg Confession.
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There are over 20 running routes available in the Rezerwat Lake Kośno area, offering a variety of options for different preferences and fitness levels. The komoot community has explored 22 unique trails here.
The terrain around Rezerwat Lake Kośno is diverse, characterized by its post-glacial origins. You'll find paths winding through extensive pine forests, along the steep and narrow shores of Lake Kośno, and through areas with varied plant life. While many routes are moderate, some offer more challenging ascents and descents.
While the guide lists 18 moderate and 4 difficult routes, the extensive 20-kilometer educational-nature trail around Lake Kośno offers sections that can be enjoyed by beginners or those seeking an easier run. It provides a well-marked path through tranquil environments, allowing you to choose shorter segments if desired.
The reserve is beautiful year-round, but spring and autumn offer particularly pleasant conditions for running with milder temperatures and vibrant natural scenery. Summer provides shaded paths through the forests, while winter can offer unique snowy landscapes, though some paths might be more challenging.
Yes, the area features several scenic viewpoints. Along the 20-kilometer educational-nature trail, there are two designated viewpoints offering picturesque views of Lake Kośno. Additionally, you can find a wooden platform overlooking Lake Dzika Korsakówka and a viewpoint by Lake Czerwonka Mała, perfect for a short break during your run.
While running, you can observe the central, deep mesotrophic Lake Kośno, surrounded by vast pine forests. The reserve is also an important sanctuary for waterfowl and predatory birds, offering opportunities for wildlife observation. You'll also encounter diverse plant life, including various aquatic and coastal communities.
The trails in Rezerwat Lake Kośno are highly rated by the komoot community, with an average score of 5.0 stars from over 10 reviews. Runners often praise the tranquil forest paths, the scenic views of the lake, and the variety of routes available for different ability levels.
Many of the jogging routes in Rezerwat Lake Kośno are designed as loops, allowing you to start and finish at the same point. For example, the popular Running loop from Tylkowo and the View of Lake Serwent – View of the Island on the Lake loop from Groszkowo are both circular routes.
While specific parking locations are not detailed in the guide, the presence of popular starting points like Tylkowo, Groszkowo, and Pasym suggests that parking facilities are available near trailheads or in nearby villages. It's advisable to check local maps or community information for designated parking areas.
Rezerwat Lake Kośno is a nature reserve. While many natural areas in Poland allow dogs on trails, it's always best to check specific regulations for nature reserves to ensure compliance. If dogs are permitted, they should generally be kept on a leash to protect wildlife and other visitors.
Yes, the extensive 20-kilometer educational-nature trail around Lake Kośno offers sections that are suitable for families. While the full loop can be challenging, shorter, flatter segments provide a pleasant environment for families to enjoy a run or walk together amidst nature.
For those seeking a more challenging experience, the reserve offers several difficult routes. A notable option is the Kalwka – plaża wiejska loop from Pasym, a 22.2 km (13.8 miles) trail that typically takes over 2 hours to complete, leading through varied and demanding terrain.
Absolutely! The surroundings of Rezerwat Lake Kośno are highly conducive to active recreation. Beyond jogging, you can enjoy activities such as kayaking on Lake Kośno and the Kośna River, or simply exploring the diverse flora and fauna of the reserve. The viewpoints also offer great spots for birdwatching.


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