THE APPROACH

The Forgotten Sea

An introduction to Japan's northern coast, in 13 chapters.

Reading time: ~3 hours

Last updated: May 2026

Nagakubo Sekisui, Kaisei Nihon Yochi Rotei Zenzu (Revised Complete Map of Japanese Lands and Roads), 1840 edition. Library of Congress, Geography and Map Division. Public domain.

Start from the beginning →

PART I — SETTING

1.1

European Time, Japanese Time

8 min

●

1.2

The Country in Two Halves

7 min

●

1.3

Why Ships Mattered More Than Roads

PART II — THE KITAMAEBUNE

2.1

Origins of Northern Trade

12 min

◐

2.2

Routes Mapped to Europe

The Merchants and the Decline

12 min

PART III — THE PRESENT

3.1

Where the Trains Went

12 min

3.2

What Was Saved by Being Left Behind

8 min

3.3

What We Are Still Counting

8 min

* Includes live data that updates over time

● Read ◐ In progress

When you've finished:

Visit The Observatory → Read the latest dispatches →