4.5
(52)
514
hikers
8
hikes
Hiking in Isojärven Kansallispuisto offers diverse and rugged landscapes shaped by the Ice Age, featuring hilly forests, deep ravines, and significant altitude differences. The park is characterized by coniferous forests, rocky pine forests, and small mires, with the clear-water Isojärvi Lake at its heart. Traces of ancient logging sites and beaver activity are also visible throughout the terrain. The highest point, Vahtervuori, reaches 219 meters above sea level.
Last updated: July 8, 2026
4.9
(14)
129
hikers
11.0km
02:55
120m
120m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
5.0
(9)
88
hikers
11.1km
03:02
170m
170m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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5.0
(4)
59
hikers
3.44km
00:54
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(21)
153
hikers
6.80km
01:48
60m
60m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(3)
41
hikers
16.7km
04:28
200m
200m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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Popular around Isojärven Kansallispuisto
Fire pit at Vahterjärvi shore with woodshed. A shelter is situated some meters away.
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The Savotta trail leads along this quaint lake with lovely views over the reed-covered shore.
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The two lakes are connected by a creek and a piece of wetland with beaver dams. A wonderful piece of wild nature.
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Here you'll find everything you need for a long rest. Even a sauna! The location at the lakeside is just picturesque.
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Near this boardwalk bridge that leads over stretch of marchland, you will find some old beaver dams up to two meters high.
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At this beautiful spot, you will enjoy a stunning view over the Bay of Kannus. There is a bench and also a pit toilet. A nearby wooden bridge will take you over the water along the Heretty Nature Trail.
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Isojärven Kansallispuisto offers a network of over 30 kilometers of marked trails. Our guide features 8 distinct hiking routes, ranging from easy family walks to more challenging day hikes, ensuring options for various fitness levels.
Yes, the park has several easy and family-friendly options. The Heretty Nature Trail is a 3.4 km easy route through forested areas, often completed in under an hour. Another accessible option is the Kolunkylä Nature Trail, and a 500-meter section from Heretty cabin to Kannuslahti campfire site is also available with assistance.
For those seeking a challenge, the park's diverse and rugged landscape provides excellent opportunities. The Jätkän polku – Isojärvi National Park is a moderate 11.1 km path with varied terrain, taking approximately 3 hours to complete. The Haukankierros Trail also offers panoramic vistas and a more demanding experience. Circular routes can be combined for longer, overnight trips up to 20 kilometers.
Isojärven Kansallispuisto is rich in natural and historical attractions. You can observe the impressive work of North American beavers, especially around small lakes and ponds. The park's geological history is evident in its deep ravines and large boulders, such as the 'King of the Hill.' You can also visit the Kannuslahti Rest Area and Bridge, or the Kalakorpi bridge. The highest point, Vahtervuori, offers panoramic views.
Generally, dogs are welcome in Isojärven Kansallispuisto but must be kept on a leash at all times to protect wildlife and ensure the safety and enjoyment of all visitors. Always clean up after your pet.
Most trails in Isojärven Kansallispuisto depart from the Heretty or Kalalahti parking areas. These locations serve as convenient starting points for exploring the park's extensive trail network.
Yes, the Heretty Loggers' Cabin now serves as a visitor center and features the Heretty Summer Café, offering refreshments. For overnight stays, the Lortikka logging hut is available. Equipment rental, including canoes, tents, and sleeping bags, is also available at Heretty's cabin.
Isojärven Kansallispuisto is an excellent destination for outdoor activities throughout the warmer months, typically from spring to autumn, when the trails are clear and the natural beauty is at its peak. The diverse landscapes and historical sites can be enjoyed in various seasons, but summer offers the longest daylight hours and generally mildest weather for hiking.
Yes, Isojärven Kansallispuisto offers several circular routes that vary in length from 3 to 11 kilometers. These loops provide diverse experiences, and the two longest can even be combined for an extended 20-kilometer overnight trip.
The hiking routes in Isojärven Kansallispuisto are highly rated by the komoot community, with an average score of 4.5 stars from over 50 reviews. Hikers frequently praise the park's diverse and rugged landscapes, the well-maintained trails, and the unique blend of natural beauty and historical logging sites.
The park's central feature is Isojärvi Lake, a deep, clear-water body with rugged shores. While specific designated swimming spots are not detailed, the lake offers opportunities for refreshing dips, particularly during warmer months. Always exercise caution and be aware of your surroundings when swimming in natural waters.
Hike durations vary significantly depending on the trail length and your pace. For example, the Savottapolku – Isojärvi National Park, an 11 km route, typically takes around 2 hours 55 minutes, while the shorter Heretty Nature Trail (3.4 km) can be completed in about 54 minutes. Longer combined routes can extend to overnight trips.


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