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Gravel biking in Isojärven Kansallispuisto offers routes through rugged and varied terrain, characterized by vast, rolling hills, rocky ridges, and deep ravine valleys. The landscape, shaped by the Ice Age, features thick coniferous forests, numerous lakes, and winding streams. Elevation changes are significant, with the highest point, Vahtervuori, rising 219 meters above sea level. This environment provides a challenging yet rewarding experience for gravel cyclists.
Last updated: August 23, 2026
3
riders
32.9km
02:25
180m
180m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
63.1km
04:22
640m
630m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
15.1km
01:01
90m
90m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Isojärven Kansallispuisto
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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A route with which you are guaranteed not to get bored. Ouninpohja's legendary rally road was also fun on a gravel bike. Heretyn Kämppäkahvila nimbly falls halfway along the route.
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but a difficult way to get there
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Isojärven Kansallispuisto offers a selection of traffic-free gravel bike routes. Our guide features 3 distinct routes, ranging from easy to difficult, ensuring options for various skill levels.
The park's terrain is rugged and varied, shaped by the Ice Age. You'll encounter rolling hills, rocky ridges, and deep ravine valleys. While some paths are smooth, others can be demanding with rocky sections and significant elevation changes, making it an engaging experience for gravel cyclists. The park is known for being one of the most mountainous outside Lapland.
Yes, for an easier, family-friendly option, consider the Salmijärvi loop from Takalammi. This route is rated easy and covers a distance of approximately 15 km, offering a pleasant ride through the park's natural beauty without significant challenges.
The park is rich in natural and historical sights. You might encounter the famous 'King of the Hill,' a massive boulder, or enjoy the scenic views around Lake Isojärvi and Lake Kurkijärvi. Along the routes, you can also find historical logging sites. Specific highlights include the Kannuslahti Rest Area and Bridge, the Vahterjärvi Shelter, and the Lortikka Lakeside Camp, Sauna and Cabin.
Absolutely. The park's rugged landscape and significant elevation changes provide an excellent challenge for experienced gravel bikers. For a demanding ride, the Karhunsuonvaahterikko – Heretty Kämppäkahvila loop from Katajajärvi is rated difficult, covering over 63 km with substantial climbing, offering a rewarding experience.
Generally, dogs are welcome in Isojärvi National Park but must be kept on a leash at all times to protect wildlife and ensure the safety of other visitors. Always check the specific rules for national parks in Finland regarding pets, especially around designated swimming areas or cabins.
Yes, all the routes featured in this guide are circular, allowing you to start and end at the same point. For example, the Salmijärvi loop from Katajajärvi offers a moderate 32 km circular ride, perfect for exploring the park's diverse landscapes.
The best time for gravel biking is typically from late spring to early autumn (May to October). During these months, the trails are usually free of snow and ice, and the weather is more favorable. Summer offers longer daylight hours, while autumn provides beautiful fall foliage.
Isojärvi National Park has several designated parking areas. Popular starting points like Katajajärvi and Takalammi, mentioned in our routes, typically offer parking facilities. It's always advisable to check the official park information for the most current parking details and any potential fees.
Yes, the park is accessible by public transport. There is a bus service from Tampere to the Heretty Loggers' Cabin, and bicycle transport is available on these buses. This makes it convenient for gravel bikers to reach the park without a car.
Yes, the Heretty Loggers' Cabin, a historical site within the park, features a café where you can purchase refreshments. This can be a welcome stop during your ride, especially if you're undertaking longer routes like the Karhunsuonvaahterikko – Heretty Kämppäkahvila loop.


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