Discharge Channel Guide App

Name: Discharge Channel Guide App
Availability: InStock
Author: 国土交通省 江戸川河川事務所

国土交通省江戸川河川事務所

Everyone

10K+

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Everyone

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About this app

This is the official guide app for the “Metropolitan Area Outer Underground Discharge Channel: The World’s Largest Underground Drainage Channel.” It will introduce the facilities’ roles, significance, and highlights. In addition to Japanese, language options include English and Chinese. Facilities will be introduced using photos, videos, and narrations.

Metropolitan Area Outer Underground Discharge Channel Audio Tour Application.

Updated on

Aug 26, 2026

Data safety

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No data shared with third parties
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No data collected
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Data is encrypted in transit
Data can’t be deleted