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Tervakoski

Plizio editorial teamUpdated: Jun 2026Data Sources

Landmark

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Tervakoski is located in the Kanta-Häme region and is inseparable from the history of the Finnish paper industry. The Tervakoski paper mill, founded in 1818, is one of the oldest factories still in operation in Finland. It specialized early on in high-quality paper, including paper for banknotes. The village layout is defined by the functional yet aesthetic buildings of the mill housing, representing an excellent example of Finnish industrial culture from the 19th and 20th centuries. Beyond industry, Tervakoski is best known today as the home of 'Puuhamaa', one of Finland's most popular family amusement parks. The park has numerous outdoor activities, water pools, and playgrounds. The natural environment around Lake Alasjärvi provides opportunities for swimming and summer recreation. Those interested in culture can explore industrial history at the mill museum or visit the local library, housed in an architecturally significant building. Its convenient location along the highway between Helsinki and Tampere makes Tervakoski a handy destination for a day trip.

Location: Finland
Top sights: Puuhamaa · Poljettavat helikopterit · Satuveneet
Nearby: Riihimaki (11 km)
Population: ~4.753 (2014)

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	-7	-7	-3	4	10	14	18	16	11	4	0	-5
Rain mm	52	41	40	44	55	85	81	73	62	71	64	62

📋 Practical info

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Visiting

The historic paper mill in Tervakoski may be viewed from the outside; the Puuhamaa amusement park is a separate attraction open seasonally. Indoor and outdoor activities are available at the park.

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Typical hours

Puuhamaa typically operates from June to August, with daily hours around 10-18. The paper mill is not regularly open to the public. Exact opening details should be checked locally.

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Photography

Photography is allowed at Puuhamaa; outside the paper mill you can take pictures of the historic buildings. Check individual ride policies for cameras.

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Time needed

Plan half a day for Puuhamaa, especially with children. A brief stop at the paper mill exterior takes 15-30 minutes.

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Combine with

Combine with a visit to the Hämeenlinna castle or the Janakkala church. The Vanajavesi lake gives nice walks and picnic spots.

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Getting there

Tervakoski is about 30 km south of Hämeenlinna, easily reachable by car. Public bus from Hämeenlinna stops in the village.

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Insider tip

Arrive early to Puuhamaa to enjoy the rides with shorter queues. Check the park's website for special events or discounts.

Geography

Population

4,753 (2014)

Coordinates

60.81444, 24.62917

Facts

Paper mill was founded in 1818
One of the oldest active factories in Finland
Location of the Puuhamaa amusement park
Part of the Janakkala municipality
Famous for producing banknote paper
Built on the shores of Lake Alasjärvi
Well-preserved worker housing from various eras
Located directly along the E12 highway

Explore nearby

Notable places around

Riihimaki11 km · SEExplore →

Janakkala11 km · NExplore →

Hausjärvi14 km · EExplore →

Häme Castle Surroundings22 km · NExplore →

Hyvinkää24 km · SEExplore →

Aulanko25 km · NExplore →

Hattula32 km · NWExplore →

Karkkila38 km · SWExplore →

Route planner — Car & Motorhome

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

Start Destination Via (optional)

Overnight stops

Vehicle

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

Sights in the town Tervakoski (7)

Puuhamaa 🎡 recreation

Puuhamaa is a popular theme park filled with family-friendly activities in Tervakoski.

Poljettavat helikopterit 📍 landmark

Poljettavat helikopterit is a fun pedal helicopter ride attraction located in Tervakoski.

Satuveneet 📍 landmark

Fairy-tale boat sculptures in Tervakoski park.

Aluksia 📍 landmark

Outdoor model ship display in Tervakoski.

Tervakosken kirkko ⛪ religious

Church in Tervakoski near the rapids.

Suruttoman ranta 🎡 recreation

Suruttoman ranta is a local beach offering a relaxing coastal spot in Tervakoski.

Napialan Wanha Koulu 🏛 museum

Old wooden schoolhouse museum in Napiala.

🌐 napialanwanhakoulu.info

Sights nearby

Frequently asked questions

What is the main family attraction in Tervakoski?

Puuhamaa activity park is a very popular destination for families with children.

What industry is Tervakoski known for?

It is famous for its historic paper mill, which has been operating since 1818.

Where is Tervakoski located?

It is located in the Janakkala municipality, about halfway between Helsinki and Tampere.

Are there nature areas nearby?

Yes, Lake Alasjärvi provides opportunities for swimming and relaxation.

When is Puuhamaa open?

The park is open during the summer season, from June to August.

Tervakoski: where is it located?

Tervakoski is located in Finland.

Tervakoski: what is there to see?

Highlights include Puuhamaa, Poljettavat helikopterit, Satuveneet.

Tervakoski: when is the best time to visit?

The most pleasant time to visit is Jun, Aug.

Tervakoski: why is it worth visiting?

Tervakoski is located in the Kanta-Häme region and is inseparable from the history of the Finnish paper industry.

View on map → The Top 50 Attractions → Most beautiful beaches → OpenStreetMap →

Tervakoski

Best time to visit & climate