4.6
(274)
2,239
hikers
118
hikes
Hiking around Gacno Wielkie offers trails within the Tuchola Forest National Park, characterized by its extensive pine forests, meandering streams, and marshy areas. The central feature is Lake Gacno Wielkie, a unique lobelia lake known for its clear waters and specialized flora, including rare aquatic plants and insectivorous species. The terrain includes varied plant life along the lake's peat bog edges, providing diverse natural backdrops for exploration.
Last updated: October 12, 2026
5.0
(3)
28
hikers
27.9km
07:08
100m
100m
Hike the difficult 17.3-mile Struga Siedmiu Jezior Trail through Tuchola Forest National Park, exploring its unique chain of clear lakes.
4.9
(10)
45
hikers
9.69km
02:30
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

19
hikers
9.32km
02:23
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
6
hikers
6.89km
01:46
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.5
(4)
11
hikers
20.0km
05:06
70m
70m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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The original cross, weathered by time, was moved many times. In 1982, the forester from Bachorz, Egon Raszke, commissioned a faithful oak replica. It is this object that was restored and preserved by park staff in 2010 and placed in its current, dignified location by the educational trail.
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It stands directly by the Droga Pilska (a former route used as a cart track to the settlement of Piła-Młyn). It is just a short walk from the famous "Bartuś" Oak (approx. 1–1.5 km along a forest path in a north-easterly direction), which means both these points are usually visited during a single trip.
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Polana pod Bartusiem is a key hub for tourist trails (hiking and cycling) in this area, with specially built wooden footbridges, protective fencing, and tourist shelters to facilitate resting.
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The wooden footbridge over Lake Kacze Oko is one of the most atmospheric and photogenic spots in the Bory Tucholskie National Park. This charming wooden boardwalk creates a closed loop around the entire reservoir, allowing you to safely admire the unique nature up close without damaging the precious and delicate ecosystem.
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Oak Bartuś not Bartek is not the same.
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Napoleon's Cross, seemingly nothing but a historic place nonetheless.
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Change of scenery for a moment from forest paths to Lake Charzykowy.
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There are over 85 hiking trails around Gacno Wielkie, offering a wide range of options for different skill levels. These routes explore the unique lobelia lake ecosystem and the vast Tuchola Forest National Park.
Hikers can expect to encounter the rare lobelia lake ecosystem of Lake Gacno Wielkie, known for its clear waters and specialized flora like lake lobelia and quillwort. The trails also wind through the extensive pine forests of Tuchola Forest National Park, featuring meandering streams, marshy areas, and diverse plant life, including insectivorous plants like the round-leaved sundew.
Yes, Gacno Wielkie offers many easy and family-friendly options. For instance, the Gacno Wielkie loop from Józefowo is an easy 5.6 km path that leads through diverse plant life and forest edges, perfect for a relaxed outing. There are over 30 easy tours available in the area.
While the Tuchola Forest National Park has specific regulations, many trails outside strict protected zones or on designated paths are generally dog-friendly. It's always best to keep dogs on a leash to protect the unique wildlife and flora, especially around the sensitive lobelia lake ecosystem.
The best time to hike in Gacno Wielkie is typically from spring through early autumn (April to October). During these months, the weather is generally pleasant, and the unique flora of the lobelia lake and surrounding forests are in full bloom or vibrant with autumn colors. Winter hiking is also possible, offering a different, serene experience of the snow-covered landscape.
Yes, Gacno Wielkie is well-suited for circular walks. A popular option is the Gacno Wielkie loop from Funka, which is an easy 6.9 km trail that encircles the unique lobelia lake. Another circular route is the Bachorze loop from Funka, a moderate 8.8 km hike.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 170 reviews. Hikers often praise the unique natural beauty of the lobelia lake, the tranquility of the Tuchola Forest, and the well-maintained paths that offer diverse experiences from easy strolls to more challenging routes.
For those seeking a longer challenge, the Struga Siedmiu Jezior Trail is a difficult 27.9 km route that explores a chain of clear lakes and forest, typically taking around 7 hours to complete. Another demanding option is the Kacze Oko Lake – Bartuś Oak loop from Funka, a 20.6 km difficult hike.
Yes, parking is generally available at common starting points for trails, particularly in villages like Funka and Józefowo, which serve as popular access points for the Gacno Wielkie loops. Specific parking information can often be found on individual route descriptions.
Yes, there is an informative 6.6 km educational trail that encircles Lake Gacno Wielkie. This trail allows hikers to learn about the unique environment, including the rare lobelia lake and its specialized flora, as they explore.
Generally, access to marked hiking trails within the Tuchola Forest National Park does not require a special permit for individual hikers. However, it's always advisable to check the official park website for any specific regulations or temporary restrictions, especially for larger groups or certain activities.


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