Discover and Enjoy There's a reason for that height

TOKYO SKYTREE has a story.

The TOKYO SKYTREE 's height of 634 meters embodies profound meaning, encompassing its structure, technology, and connection to the city.
Knowing that will surely make the View from the Observation deck look a little different.
Here, we'll show you the "inside" of TOKYO SKYTREE.

View the outline

This art panel features a metallic-looking relief design that depicts the TOKYO SKYTREE peeking out from between the clouds in a three-dimensional way.
Inside the Tembo Galleria. Gently curving white Steel framework columns and the Tokyo cityscape stretching out beyond.
The Uplighting TOKYO SKYTREE stands out brilliantly against the night sky. Along with the lights of the TOKYO Solamachi shopping complex at its base, it shines as a symbol of the city.
Against a backdrop of a blue sky, the white Steel framework structure of TOKYO SKYTREE is viewed from directly below, revealing a geometric, mesh-like design.
From the Observation deck, you can enjoy a panoramic view of Tokyo's cityscape stretching to the horizon.
A photograph looking up at the white Steel framework structure of the TOKYO SKYTREE , soaring high into the blue sky.

Exploring TOKYO SKYTREE from three different perspectives.

01 Learn about the design philosophy

A geometrically arranged network of white Steel framework.

design Design

There's a reason for beauty

The secret behind the design of TOKYO SKYTREE , a fusion of Tradition Japanese aesthetics and Future design.

See the design thinking

Color Palette

A color chosen to harmonize with the surrounding scenery and to echo the name and design concept—a hue that stands out beautifully against the blue sky.

The vast cityscape of Tokyo stretches out below, with the TOKYO SKYTREE towering high to the right.

lighting

The lightings that bring Tokyo to life at night.

The TOKYO SKYTREE , Uplighting in purple at night, with cherry blossoms in full bloom in the foreground.

Specifications Spec

Why 634 meters?

The structure and technology that support the world's tallest building.
We will analyze TOKYO SKYTREE from an architectural perspective.

Know the specs and structure

TOKYO SKYTREE Specifications

With a maximum height of 634 meters, the scale of TOKYO SKYTREE becomes clear from these numbers.

A view from below of the white Steel framework structure of the TOKYO SKYTREE , soaring towards the clear blue sky.

Structural Design

The structural design supporting one of the world's tallest towers incorporates uniquely Japanese ideas and cutting-edge technology.

Looking up from inside the tower, you can see the massive gray cylindrical column (Central pillar) running through the center, surrounded by a white Steel framework structure.

02 Know your supporting role

The top of TOKYO SKYTREE, towering against the blue sky

Role as a Broadcasting Tower Role

A tower that supports Tokyo's "daily life"

We will introduce the tower's true role as a radio tower, continuing to support the everyday "things we take for granted."

Learn about its role as a radio tower

Relationship with terrestrial digital broadcasting

The TOKYO SKYTREE is responsible for transmitting terrestrial digital broadcasts. It's a system designed to deliver stable radio waves.

A panoramic view of TOKYO SKYTREE , illuminated in pink to red Uplighting against the backdrop of a sunset sky.

Equipment installation guide

Regarding the installation of various facilities that support broadcasting and communications. This includes the function of TOKYO SKYTREE as a radio tower.

The massive Steel framework beams inside TOKYO SKYTREE , with the blue sky visible through the gaps.

Safety of Radio Waves Safety

Reasons why you can look up at the sky with peace of mind

What are radio waves? We summarize our thoughts on their impact on the surrounding environment and safety.

Learn about radio wave safety

Safety of Radio Waves

We will carefully introduce the basic knowledge of radio waves and our efforts to ensure safety.

A close-up photograph showing the Steel framework framework of the upper part of TOKYO SKYTREE , including the Tembo Deck , against a blue sky.

Radio wave environment measurement

This section introduces the unique measurements and initiatives undertaken by TOKYO SKYTREE to accurately understand the effects of radio waves.

A photograph capturing the entire TOKYO SKYTREE against a blue sky, along with the surrounding buildings.

Peripheral measurement results

This section introduces the unique measurements and initiatives undertaken by TOKYO SKYTREE to accurately understand the effects of radio waves.

Under a clear sky, a person in blue work clothes is working on a rooftop with the distant TOKYO SKYTREE in the background.

Uniform Uniform

Designed for people who work in the field

Uniform were created based on feedback from the field, incorporating features designed to support daily work.

Learn about Uniform

Uniform

The design is conscious of rediscovering the charm of Japan. It is made with consideration for the materials, ease of movement when worn, and the environment.

The Official characters, Sorakara-chan, and six Uniform Staff , each wearing a different uniform design, are lined up with the TOKYO SKYTREE Observation deck in the background.

03 Knowing the Future and its potential

The top of TOKYO SKYTREE, the Tokyo cityscape spreading out below, and the sea and horizon visible in the distance.

Research Site Research

Cutting-edge research utilizing the sky

Taking advantage of the height and location of TOKYO SKYTREE,
It is also used as a Research site for various purposes.

Let's look at the initiatives of the Research site.

Role as a Research site

Taking advantage of its high position and stable structure, various research and observations are carried out here.

The white Steel framework structure of TOKYO SKYTREE , viewed from directly below, with the "TOKYO SKYTREE" logo in the background.

Introduction to each research institute

This section introduces various research institutions and their initiatives that utilize TOKYO SKYTREE as a Research site.

A photograph taken from a diagonal angle below, showing the Steel framework frame near the Tembo Deck and the rounded upper part of the tower against a blue sky.

Timeline History

The history of TOKYO SKYTREE

From attracting the new Tower to its construction, opening, and up to the present day, we look back at the history of TOKYO SKYTREE in a timeline.

Follow the history through the timeline

Timeline

This page offers a chronological look at the background leading to its creation and the initiatives that have followed, summarizing the journey so far.

The TOKYO SKYTREE under construction. A crane is installed at the very top, and the white Steel framework is being assembled.

Initiatives toward the SDGs SDGs

Let's preserve this View for the Future.

We support the principles of the SDGs and aim to realize a sustainable society.

View our initiatives

Sustainability Initiatives

We will introduce our efforts in daily operations, such as energy utilization, environmental considerations, and involvement with the local community.

A view from above capturing the Tokyo cityscape bathed in the Gold of twilight, with the TOKYO SKYTREE standing proudly in its center.

Special Content Special

Enjoy reading

From a different perspective than that of design or on-site work,
This is a book to help you learn about TOKYO SKYTREE.

View reading content

Interview Diary by SUZUKI Noritake

A diary of the TOKYO SKYTREE construction project, written by picture book author SUZUKI Noritake .

Content image of a construction reporting diary by picture book author SUZUKI Noritake

50 Fun Facts about TOKYO SKYTREE

Hobonichi Itoi Shimbun presents an interview with a Nikken Construction designer.

A friendly, hand-drawn style logo featuring character illustrations and the words "50 Fun Facts about TOKYO SKYTREE ."

Let's make better use of TOKYO SKYTREE. For those considering using it for business or research

TOKYO SKYTREE has the potential for various uses, taking advantage of its function as a radio tower.
We will provide information regarding its use for business and research purposes.

Regarding the installation of equipment at TOKYO SKYTREE

This page compiles information for those considering using the TOKYO SKYTREE tower structure for equipment installation and various verification tests.

Business Use

The Tokyo cityscape unfolds under a clear blue sky. The TOKYO SKYTREE stands tall in the center, and Mount Fuji, its snow-capped Mt. Fuji visible above the distant mountain range.