7 Longest Tunnels In World


By Jasreet Kaur17, Jun 2024 10:14 PMjagranjosh.com

Longest Tunnels

Tunnels are incredible feats of engineering that help us travel, supply water, and generate power. Tap to read about longest tunnels in the world.

Delaware Aqueduct, USA

This 137-kilometer water tunnel supplies New York City with water, making it the longest continuous tunnel in the world.

Paijanne Water Tunnel, Finland

Stretching 120 kilometers, it supplies water from Lake Paijanne to Helsinki, ensuring a clean, consistent water supply.

Dahuofang Water Tunnel, China

At 85 kilometers, this tunnel transfers water to Liaoning Province, playing a crucial role in regional water management.

Orange-Fish River Tunnel, South Africa

Spanning 82.8 kilometers, it channels water from the Orange River to the Eastern Cape, aiding agriculture and domestic use.

Bolmen Water Tunnel, Sweden

This 82-kilometer tunnel supplies southern Sweden with fresh water from Lake Bolmen, crucial for the region’s water security.

Laerdal Tunnel, Norway

At 24.5 kilometers, the Laerdal Tunnel is the world's longest road tunnel, connecting Laerdal and Aurland in western Norway.

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