小諸城跡 懐古園  

三之門 寄棟造りの櫓門で懐古園への入口 右側に迫る断崖と石垣でつながっている

Article in English Picture above : San-no-mon, the third turret-gate

Remain of Peculiar Concept of Castle-Making

In Meiji era Komoro was one of the richiest town holding the most progressive mind, following obediently the industrial-comercial policy of central government.
Therefore they, taking an influence of "abolishing clan, forming prefecture" policy, they destroied quickly Komoro Castle as a relic of Shogunate regime to increase the authority of the new government.
Then in the town only very a few castle-constructions, for example San-no-mon, Shi-no-mon and some stone-walled banks, have been survived.
However Anajiro structure of the castle, in which the castle was built on the place much lower than its down-town, using the cliff-ravine landform made by Chikuma-gawa river and its branches, was very unique and had a very high historic value.

Now we have no other choice than to imagine the shape it used to be, walking around and watching its remains in Kaiko-en park.





Article in English Landform of Tagiri

Komoro Castle was built on the base of Tagiri Landform which had been made by erosion of Chikuma-gawa and its branches.
The castle was standing on the netherer ground, lying on the right bank of the wide valley of the river, than the down-towns surrounding the castle.
The rivers flowing down on the foot of Asama Mountain Highlands, was eroding the ground of volcanic ashes to make Tagiri Landform.
Thus many ship-shaped tablelands like islands was formed in the ravines.
The castle was built using the landform as deffencing banks or dry-moats.
Pictures below : A way to the zoo(upper) and a way between a Soba restaurant and a stone-wall







Article in English Stormy Wave of History

As each site of the castle was encircled by cliff-walls, it was guarded by natural hazards.
But since Meiji period when the road-making, the railway-making and ciy-building in Komoro were proceeding, almost banks and stone-walls of the outer sites have been broken down.
The stones broken away from them was used for fixing the road-shoulders or railway-banks. Even in some main sections the stone-walls were destroied. The stone-wall in Nino-maru, i.e. the second section, was restored 1984. Then its shape is different from that used be in Edo period. The stone-walls and banks of north sectionss have not restored yet.

Let's imagine the castle-landform, refering to some old picture-maps.
High banks forming the sites of the castle are : 1) the site of top-vassal's house on the ruin of Nabebuta-castle mount,
2) Sanno-maru (the third section),
3) the section of Kashima Shrine and Samurai-row-houses,
4) Nino-maru (the second section), Kitano-maru (the north section) and Nishino-maru (the west section),
5) Hon-maru (the core section),
6) the mount of warehouses.
Those sites are connected with wooden bridges or bords and in front of them the gurad-gates with soldiers were set up.
Over the stone-walls or banks were standing the the deffencing mud-walls with halls through which they would attacked with arrows, guns or lances in war.

Komoro Castle as awhole were shaping triangle form with a sharp-pointed top. Its bottom was guarded by Chikuma-gawa river and both sides by cliff-banks.
The triangle was surrounded by the towns of vassals' houses and those were encircled by the lines of houses of stage-town.
Pictures below : Stone-walls covering cliff-banks(upper) and Chikuma-gawa river runs between hills





城跡と動物園への入口は狭い谷間A narrow ravine between Castle-site and the zoo

黒門橋から見おろした紅葉谷(南側)The south part of Momiji-dani ravine

紅葉谷の北側。谷の上は動物園The north part of the ravine; On the left bank is the zoo.

城址と動物園とを隔てる木谷Kitani ravine(woods ravine)

木谷の深いところは十数メートルの落差があるFall of the ravine at the deepest point over 12 metres

谷底には小径がつくられているA narrow path running on the bottom

20メートル近い高低差Ravine's fall over 20 meters

向かいの山裾の段丘の下を千曲川が流れるOn the observation platform we would look over Mt. Fiji. Under the hillside over there runs Chikuma-gawa river

谷底を児童遊園地に向かう道路A way to an amusement park for kids

動物園から懐古園入口に下る路A way to the entrance of castle-site from the zoo



  • 本丸石塁内の藩庁御殿の様子を復元
  • 本丸を立体的に表示する


  • 17世紀後半の小諸城本体の縄張り
  • 現存の石垣などと比べてみましょう


  • 乗鞍から白馬までの大パノラマ
  • 信州でも小諸市街だけの眺望


  • 中町近辺の街道の絵地図
  • 街歩きのガイドです


  • 「ほんまち町屋館」裏庭からの山並みパノラマ
  • 高原の街ならではの山岳眺望です!






  • 街並み景観、風物
  • 木曾路・奈良井散策






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