Helsinki’s tap water crawls for nine days through a 120-kilometre tunnel blasted into solid bedrock: One of the longest tunnels on Earth, hidden entirely underground
Finland's Päijänne Water Tunnel spans an impressive 120.3 kilometers, serving as a critical supply line for Helsinki's fresh water since the early 1980s. This ingenious infrastructure allows gravity to move water seamlessly for up to nine days, ensuring a reliable resource for the capital. The tunnel was meticulously designed to support the region's future water demands, gaining international acclaim for its innovative approach to large-scale water management.
Finland's Päijänne Water Tunnel spans an impressive 120.3 kilometers, serving as a critical supply line for Helsinki's fresh water since the early 1980s. This ingenious infrastructure allows gravity to move water seamlessly for up to nine days, ensuring a reliable resource for the capital. The tunnel was meticulously designed to support the region's future water demands, gaining international acclaim for its innovative approach to large-scale water management.
