Japan

Here is a list of rivers & waterways in OpenStreetMap in Japan. The boundaries of Japan are taken from Natural Earth dataset.

Any waterway which touches this region is included, even if it's mostly outside this region. The length is the total length of the river, not the length in this region. Only rivers longer than 1 km are shown.

Rivers

There are 163,467 rivers here (Only the longest 20,000 rivers are shown).

Sub-regions

47 subregions

The list of, and boundaries of, these subdivisions are taken from Natural Earth dataset.