Tanashi Tower, Iki Travel Guide

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A key telecommunications hub in Nishitokyo, Tanashi Tower's illuminated presence adds character to the city's skyline, forecasting the weather with its nightly colors.

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Tanashi Tower

Tanashi Tower, also known as Sky Tower West Tokyo, is a 195-meter telecommunications tower built in the 1980s. While not open to the public for observation, it's a notable feature of Nishitokyo's skyline, especially when illuminated at night with colors that reflect the next day's weather forecast.

A brief summary to Tanashi Tower

5 Chome-8-2 Shibakubocho, Nishitokyo, 5 Chome Shibakubocho, Tokyo, 188-0014, JP
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Monday 8:30 am-5:30 pm
Tuesday 8:30 am-5:30 pm
Wednesday 8:30 am-5:30 pm
Thursday 8:30 am-5:30 pm
Friday 8:30 am-5:30 pm

From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Tanashi Tower.

View the tower at night to see its weather-predicting illuminations.
Visit the nearby Tamarokuto Science Museum for a family-friendly activity.
Explore the area around Tanashi Station for local shops and restaurants.

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Yokohama Landmark Tower

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Explore Tanashi Tower on the Map

A handpicked selection of must-see spots near Tanashi Tower, mapped for you.

Getting There

Public Transport

From Tanashi Station on the Seibu Shinjuku Line, the tower is approximately a 25-minute walk. Alternatively, take a bus from the station towards Shibakubo and alight near the tower. Bus fares are typically around ¥220.
Taxi

A taxi from Tanashi Station to Tanashi Tower takes about 10 minutes and costs approximately ¥1,000-¥1,500.
Walking

From Hana-Koganei Station, it's about a 20-minute walk to Tanashi Tower. The route is straightforward, heading south along the main road.

Discover more about Tanashi Tower

Tanashi Tower, a prominent structure in Nishitokyo, serves as a key telecommunications hub. Built in the 1980s, the 195-meter tower, also known as Sky Tower West Tokyo, addresses radio wave shadow areas resulting from expanding wireless communication networks and increasing high-rise buildings.While it is not generally open to the public and lacks an observation deck, Tanashi Tower is still a recognizable landmark. Completed in February 1989, the tower transmits 3G, 4G, 5G, amateur radio, and FM radio waves, functioning as a wireless communication base station for various businesses.Since 1995, the tower has been illuminated nightly, with its colors changing to indicate the next day's weather forecast: purple for clear, green for cloudy, and blue for rain. This feature adds to its local character and makes it a point of interest within the city. Although visitors cannot ascend the tower, it can be viewed from the surrounding area, including the nearby Tamarokuto Science Museum.