PÄIJÄNNE-TUNNEL

One part of the watertube, wich takes the water to the tunnel
From Agient-Päijänne to a valuable consumer of raw water
Päijänne is the most important lake in Finland. Raw water is taken to more than a million finnish people from Päijänne-lake.
Water extremely high quality flows to the capital-area by Päijännetunnel, which is 120 km long.
The tunnel was built in 1973-1982 inside the bedrock and it runs at the dept of 30-100 meters.
The tunnel is 4,8m high and 3,8 m wide. The surface of tunnel is not covered.
The raw water is taken from Asikkala open lake about 350m of the shore and about 26m depth.
The intake pipe is 350m long and it is made of Finnish pine.
The pipe made by wood is waterproof under the water.
The beginning of tunnel in in Asikkala in the village of Pulkkila.
As the difference between Asikkala and Vantaa is 36 m the water flows itself and it takes approximately 10 days to get there.
Päijännetunneli guarantees a good quality
of water on the South-Päijänne.
In Päijännetalo You can see a piece of intake pipe in its natural size.