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Isojärvi National Park

Plizio editorial teamUpdated: Jun 2026Data Sources

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Isojärvi National Park is located in the municipality of Kuhmoinen in Central Finland and was protected in 1982. The area, covering approximately 19 square kilometers, is characterized by deep rift valleys and steep rock faces that create a rugged and fragmented terrain. This geography is the result of tectonic shifts and subsequent shaping by the last ice age. A central cultural element of the park is the historic forest worker huts, such as Heretty and Huhtala, dating back to the golden age of Finnish forestry in the early 20th century. These huts now offer insights into the difficult lives of lumberjacks and serve as starting points for hikes. The flora consists mainly of coniferous forests, while the numerous small lakes and valleys provide habitats for beavers and various water birds. The park features a trail network of about 30 kilometers, leading through challenging terrain and offering wide views over the eponymous Lake Isojärvi. The ecosystem is defined by its tranquility and the absence of modern infrastructure, making it a prime retreat for those seeking solace in nature.

Location: Finland
Nearby: Himos (22 km)

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-9	-8	-4	4	10	15	18	16	11	4	-1	-5
Rain mm	56	42	41	48	63	97	95	82	71	75	66	65

📋 Practical info

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Getting there

Reaching the trailheads typically involves driving along scenic rural roads, as public transportation connections are often very limited. The main starting points are frequently situated near the primary lake shores or official visitor areas.

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Best season

Summer is undeniably the peak time for canoeing on the deep lake and safely exploring the hilly forest paths. Early autumn is highly recommended for hikers genuinely seeking cooler overall temperatures and spirited seasonal forest colours.

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Terrain & paths

The landscape is primarily characterized by steep, hilly forest sections and rocky areas located near the water. The paths can be quite challenging and uneven, strongly requiring surefootedness on the various ascents and descents.

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What to bring

High-quality waterproof hiking boots are strongly advised for safely navigating the rugged and sometimes muddy forest trails. Canoeists must absolutely ensure they have proper water safety equipment and fitted life jackets before heading out.

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Parking

Designated parking spaces are usually readily available at the main entrances and popular canoe launch sites around the park. It is highly important to arrive early during peak summer weekends to securely claim a parking spot near the water.

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Safety

The deep, narrow lake can frequently experience sudden winds, so canoeists should regularly check updated weather forecasts. Hikers should strictly stay on marked trails to avoid getting hopelessly lost in the dense, undulating forest landscape.

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Time needed

A comprehensive visit typically lasts anywhere from a full day of hiking or paddling to an entire weekend camping trip. Shorter half-day excursions are also perfectly possible if deliberately focusing on a single trail near the parking areas.

Geography

Coordinates

61.68330, 25.00000

Facts

Year established: 1982
Total area: 19 square kilometers
Historical huts: Heretty and Huhtala
Total hiking trails: 30 kilometers
Eponymous lake: Isojärvi
Key animal species: Beaver (Castor canadensis)

Explore nearby

Notable places around

Himos22 km · NEExplore →

Lake Paijanne33 km · EExplore →

Orivesi34 km · WExplore →

Kuhmalahti Church35 km · SWExplore →

Padasjoki40 km · SExplore →

Sysmä41 km · SEExplore →

Mänttä-Vilppula43 km · NWExplore →

Siikaneva Mire47 km · WExplore →

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

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Overnight stops

Vehicle

Only stops with (optional): 💧 Water ♻️ Disposal 🔌 Power 🚻 Toilets 🚿 Shower

Sights in the town Isojärvi National Park (1)

Isojärvi (Kuhmoinen)📍 landmark

Isojärvi is a lake in the municipality of Kuhmoinen. It is located in central Finland, surrounded by forests.

Sights nearby

Frequently asked questions

What kind of landscape awaits in Isojärvi National Park?

Deep valleys, forested hills, and crystal-clear lakes characterize the area.

Are there beavers there?

Yes, the Canadian beaver is native here, and you can often see its dams.

Where can you park?

The main parking areas are located in Heretty and Huhtala.

Are there catering facilities?

In Heretty, there is a cafe in summer, otherwise you must bring your own food.

How long are the hiking trails?

The marked trails vary between 3 and 20 kilometers in length.

Isojärvi National Park: where is it located?

Isojärvi National Park is located in Finland.

Isojärvi National Park: when is the best time to visit?

The most pleasant time to visit is Jun, Aug.

Isojärvi National Park: why is it worth visiting?

Isojärvi National Park is located in the municipality of Kuhmoinen in Central Finland and was protected in 1982.

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