Best lakes around Kajaani are located in Finland's Arctic Lakeland, an area characterized by its vast waterways and diverse natural environment. The region features large inland lakes, including Lake Oulujärvi, alongside smaller moor lakes and numerous islands. Kajaani's lakes provide opportunities for outdoor activities such as hiking and exploring the natural landscape. This area is a destination for those seeking varied outdoor experiences.
Last updated: October 26, 2026
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Open campfire spot (no firewood included) and picnic benches with a rain cover. Great spot for tents but not so much for hammocks.
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During the week in the summer, starting at 6:00 PM, one car after another would pass by, carrying many screaming children. By 10:00/11:00 PM, everyone would have disappeared, and peace would return. You can spend the night here, but you won't be undisturbed.
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Rest here at the Tulentekopaikka shelter on Ärjänsaari, an island of golden dunes and wild pine forests in the middle of Oulujärvi. This sheltered campfire spot is the perfect place to pause after hiking the island’s scenic trails. Feel the fresh lake breeze as you warm yourself by the fire, or enjoy a picnic with panoramic views of the shoreline. With the sound of waves in the background, it’s an ideal spot to soak in the wild beauty of Ärjänsaari.
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It's pretty to look at in the sunshine. Surrounded by large areas of marsh burdock, it must be wonderful here when it's in bloom. The blueberries that are ripe now taste good too, of course.
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The island is located in the largest finish inland water area. It is quite windy.
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A moor lake in which the mosses are slowly reclaiming their habitat. It appears to be a raised bog that is fed by rain and has no drainage. Nature is very poor here and is home to rare animals and plants.
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Ärjänsaari in Oulujärvi is a 270-hectare island with a very interesting mix of wild natural formations, such as sand dunes and steep slopes, and, on the other hand, a well-maintained forest in the island's interior. Owned by the paper manufacturer Kajaani-Yhtiö since the 1920s, the island was not open to the public for a long time, but was used as a holiday resort for employees and their families. When the company was acquired by the UPM Kymmene corporation, the new owner wanted to cut down a large portion of the older pine trees. However, protests in the region led to the State Forestry Administration purchasing the island in 2017 to turn it into a nature reserve. Those without their own boat on Lake Oulujärvi can travel there from Kajaani on the steamship Kouta or by boat taxi from the Luonnollisesti Oulujärvi company, which offers a variety of recreational activities around the lake. Near the boat dock, there is a small café, a charging station for electronic devices, and toilet blocks in the summer. The old cottages are gradually being renovated, and there are designated fire pits and camping areas. https://www.nationalparks.fi/arjansaari/directionsandmaps Steamship Kouta https://oulujarviriteilyt.fi/ https://luonnollisesti.fi/
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Yes, Ärjänsaari Island in Lake Oulujärvi is a great option, featuring sand dunes, forests, designated fire pits, and camping areas. It's accessible by steamship or boat taxi. The Lakeside Beach is also family-friendly, though it can be busy with children in the summer evenings.
You'll find a variety of hiking trails, from easy to moderate. For example, on Ärjänsaari Island, there are scenic trails leading to spots like the Campfire site. Other routes include the easy 'Snowy Bridge – Eino Leino Statue loop' or the moderate 'Kajaani Castle Ruins – Statue of Pietari Brahe loop'. You can explore more options on the Hiking around Kajaani guide.
The region is known for its vast waterways, including large inland lakes like Oulujärvi, and smaller moor lakes. A unique example is Bog Pond, a moor lake where mosses are reclaiming their habitat, creating a raised bog fed by rain with no drainage. Ärjänsaari Island also features interesting sand dunes and steep slopes.
Yes, several spots are available. On Ärjänsaari Island, you'll find designated fire pits and camping areas, including a sheltered Campfire site perfect for a break. There's also a Lakefront Campfire and Picnic Shelter with picnic benches and a rain cover, suitable for tents.
The diverse natural environment around Kajaani's lakes supports various wildlife. Moor lakes like Bog Pond are home to rare animals and plants. The region's forests and waterways provide habitats for birds, small mammals, and aquatic life typical of Finnish Lakeland.
Kajaani offers various cycling routes. For mountain biking, you can explore trails like the 'Paltaniemen uimaranta loop' or the more challenging 'Vimpelinvaara loop'. Road cyclists can enjoy routes such as the 'Könkkölänlampi – Kesäniemen uimaranta loop'. Find more details on the MTB Trails around Kajaani and Road Cycling Routes around Kajaani guides.
Ärjänsaari Island is accessible by the steamship Kouta or by boat taxi services from companies like Luonnollisesti Oulujärvi. These services typically operate from Kajaani.
Yes, near the boat dock on Ärjänsaari Island, you'll find a small café, a charging station for electronic devices, and toilet blocks during the summer season. There are also designated fire pits and camping areas across the island.
The summer months are ideal for hiking, swimming, and enjoying the natural beauty, with long daylight hours. The blueberries around Bog Pond are ripe in summer. For winter activities, the frozen lakes offer opportunities, though specific activities depend on ice conditions.
Yes, camping is possible. Ärjänsaari Island has designated camping areas. The Lakefront Campfire and Picnic Shelter is also noted as a good spot for tents. While you can spend the night at the Lakeside Beach, be aware it might not be undisturbed.
Lake Oulujärvi is one of Finland's largest inland water areas and a central feature of the Kajaani region. It hosts significant natural sites like Ärjänsaari Island, which is now a nature reserve. The lake provides a vast expanse for various water-based activities and is a key part of the Arctic Lakeland landscape.


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