Get your Politiken Edition subscription

One of Copenhagen’s largest construction projects ever – a massive tunnel to manage water from future cloudbursts – is entering a critical phase. Read here to find out what it’s all about.

An underground highway for rainwater aims to save Copenhagen from cloudbursts

Grafik: Mads Pedersen. Animation: Tomas Østergren
Listen to the article

What kind of project is it?

The Svanemøllen Cloudburst Tunnel project aims to protect the capital area from flooding due to future heavy rainfalls. With the barracks of Svanemøllens Kaserne as the hub, Denmark’s longest cloudburst tunnel will branch one way towards Lygten in Nørrebro, another towards Utterslev Mose, and the third towards the northern tip of Nordhavn.

Residents in the capital area will effectively be walking above the tunnel, which in total will be 10 kilometers long and run 10 to 30 meters underground. It has the capacity to hold 100,000 cubic meters of water. The volume is equivalent to water standing up to the third floor along all of Strøget.

This is for subscribers' eyes only

But don’t you worry. Your Politiken Edition subscription is just one click away. We are looking forward to bringing you a handpicked selection of Politiken's stories - translated into English.

Subscribe now
Already a subscriber? Welcome back. Sign in here
Edition 2

Most read

    1

  1. Who’s lying? Officers, police leaders and the National Audit Office battle over the truth in scandal case

    2. 2

  2. Turmoil in powerful foundation: Theater professionals lash out at new member

    3. 3

  3. The ones to see this summer: Thrilling piano playing awaits

    4. 4

  4. What does the doctor do herself? »I’ve gotten my nurse hooked, too, so now she keeps white Monster in the fridge as well«

    5. 5

  5. 5,000 kroner for a day’s worth of fun: »It’s worth every penny«

    6. 6

  6. Mother of murdered woman criticizes new Netflix documentary

© All material on this page is subject to the applicable copyright law.Read policy