Kaknästornet

Listen for a moment. Wind moves across the open grass of Gärdet, and somewhere behind you a bus sighs to a stop. Then you look up. A pale concrete shaft rises from the trees, plain and straight, until it widens near the top into a crown of windows and antennas. On a grey Stockholm day it can almost melt into the sky. On a clear one, it stands out sharply against the blue.

This is Kaknästornet, the Kaknäs Tower. It is Stockholm's great broadcasting mast, and it opened in 1967. The concrete tower reaches about 155 metres, and the antenna on top adds more height still. For a city with few tall buildings, that is a remarkable figure. From many parts of Stockholm, the tower is a landmark people use to find their way, whether they notice it or not.

The name comes from Kaknäs, the old name of this corner of land on the edge of the Djurgården parklands. Today the tower stands inside the Royal National City Park. This large protected green belt runs through northern Stockholm. The tower also sits beside a busy road and a modern media district. So a working piece of national infrastructure rises from meadows, oak groves and walking paths.

The late 1960s were a time of fast change in Sweden. Television was spreading into almost every home, and the country needed a strong central hub for broadcasting signals. Kaknästornet was built for that job. It was designed by the architects Bengt Lindroos and Hans Borgström. Their style was modern and functional — no decoration for its own sake. The shape follows the job. A tall, stable shaft carries equipment high above the city, and a wider head at the top holds technical rooms and spaces for visitors.

Here is something many visitors miss. Kaknästornet was never only a viewpoint. It is still a working technical site. Radio and television signals pass through equipment high in the structure. For decades this building has helped carry news, sport and entertainment into Swedish living rooms. When you ride the lift, you share the tower with work that most people never see.

That working role also explains why access has changed over the years. Because the tower is important infrastructure, there have been periods when the public could not visit, or when security rules became stricter. Today you may pass through a security check before you go up. It can feel a little like an airport. It is a reminder that this place is quietly serious, even if the view at the top feels like a holiday.

And the view is the reward. The lift rises quickly, and your ears may feel the change in pressure. Then the doors open high above the city. From the upper levels you can look out in every direction. On a clear day, Stockholm spreads out below you like a map. Islands, bridges, church spires, ferries and long strips of dark water all come into focus.

Look toward the city centre first. You can pick out the old town, Gamla Stan, on its small island, with its cluster of towers and copper roofs. Further around, you see the long waterways that make Stockholm feel like a city built on the sea. Ferries move slowly and leave white lines on the water. The sea routes out into the archipelago stretch east toward thousands of rocky islands, beyond the edge of your view.

Now look down, closer to the base. Directly below lie the open fields of Gärdet and the woods of the national city park. This is the second surprise of the tower. One of Europe's capitals has a huge green space almost at its heart. From above, you see how the park pushes deep into the city. Paths, meadows and old oak trees sit next to apartment blocks and roads. People jog, walk dogs and fly kites, tiny dots on the grass.

The top of the tower is also a place to sit down. There has long been a restaurant and café space high up, so people can eat and drink while the city turns slowly into evening below them. In winter, darkness comes early in Stockholm. Then the view changes into a pattern of lights — streetlamps, bridges, windows, and the moving lights of boats. In summer, the light lasts late into the night, and the sky can stay pale for hours.

Back on the ground, take a moment to look at the tower itself. The concrete is plain and honest. It shows weather, stains and the marks of decades of wind and rain. Up close, the shaft feels very solid and much wider than it looks from across the city. Walk around the base and watch how the tower seems to shift shape as your angle changes. From one side it looks slim, and from another it looks heavy and strong.

For Stockholmers, the tower is part of everyday life. It stands on the skyline in countless photographs, it appears behind children playing in the park, and it marks the way home for people driving into the city. Some people love its bold, simple form. Others call it severe. But most agree that the skyline would look strange without it. It belongs to the city the way an old church spire does — a fixed point that people use without thinking.

Before you leave, stand still for a minute near the base. Feel the wind coming across the open fields. Look up one last time at the windows near the top, where other visitors are now looking down at the place where you stand. As you walk away along the paths, turn around now and then. Watch the tower slowly grow smaller above the trees, until it becomes one more line on the Stockholm sky.