The core site and the second site of the castle The picture beneath : from the map bord in the castle park
Owing to the picture, the inner moat, Uchibori, encircling the core site on three sides was connecting with the outer moat, Sotobori, encircling it on its north side and the second site as a whole. The moats were very wide but the sites and moats was contained with in a compact scale.
The south- and west-part of the outer moat were reclaimed. If they were conserved now, we would enjoyed looking at a wonderful scene. Around the outside sites of the outer moat was encircled by Sobori, the outmost moat whose trace disappeared throughly under the urb. Even in Matsumoto the modern urbanization has gone too far.
Some studies indicate that once they called the one that is popularly called now the outmost moat the outer moat. Confused about Nawabari of the castle. Any way the southern and eastern limit-line of castle defence
zone was Metobagawa river.