Katsuyamakan

Japanese: 勝山館 - かつやまだて

The remains of a medieval castle remain in Kaminokuni Town on the west coast of the Matsumae Peninsula in southern Hokkaido. It is a nationally designated historic site. The remains of the kuruwa (borders ) , earthworks, dry moats, and wells remain, and the site has been developed into a historic park with monuments and information boards. The date of construction and the person who built it have not been determined, but it is estimated to have been a castle from the late 15th century, and is said to have been built by Takeda ( Kakizaki ) Nobuhiro, ancestor of the Matsumae clan (Kakizaki clan), the clan of the feudal lord of the Matsumae domain in southern Hokkaido. After suppressing the Koshamain Rebellion in 1457 (Choroku 1), Nobuhiro built Susaki-kan on the north bank of the mouth of the Amanogawa River and used it as his residence, but later built a large mansion on the same site and used it as his base. After Nobuhiro's death, the second Takeda (Kakizaki) Mitsuhiro moved his castle to Matsumae Odate (Shinmei, Matsumae-cho, Matsumae-gun) and placed his second son Takahiro as the castle lord in Katsuyama-kan. From then on, Katsuyama-kan became a secondary castle for the Kakizaki clan (later the Matsumae clan). The Kakizaki clan received a red seal letter from Toyotomi Hideyoshi, became independent from the Ando clan, changed their name to Matsumae, and began to rule Ezo. In 1604 (Keicho 9), Tokugawa Ieyasu gave them full authority for trade in Ezo and they established the Matsumae Domain. By this time, Katsuyama-kan's mission had ended and it was abandoned. Excavations by the Kaminokuni Town Board of Education have been conducted since 1979 (Showa 54), and about 70,000 items have been excavated, indicating extensive and active trade activities, many of which have been designated as important cultural properties. There is a town-run Katsuyama-kan ruins guide facility on site. It is about a 10-minute drive from the town of Kaminokuni. It is also called Wakidate .

Source: Kodansha Encyclopedia of Japanese Castles Information

Japanese:

北海道南部、松前半島西岸の上ノ国(かみのくに)町に残る中世の城館跡。国指定史跡。曲輪(くるわ)、土塁、空堀、井戸跡などが残り、史跡公園として整備されて碑や説明板が設置されている。築城年代、築城者は確定されていないが、15世紀後半の城館と推定され、北海道南部にあった松前藩の藩主の一族松前氏（蠣崎(かきざき)氏）の祖の武田（蠣崎）信廣が築城したといわれる。1457年（長禄1）のコシャマインの乱を鎮圧した信廣は天の川河口北岸に洲崎館を建設して、ここを居館としたが、その後、この地に大規模な館を築いて、これを本拠とした。信廣の死後、第2代の武田（蠣崎）光廣は松前大館（松前郡松前町神明）に館を移し、勝山館には次子・高廣を城代として配置した。以後、勝山館は蠣崎氏（のちの松前氏）の副城的な存在となった。蠣崎氏は豊臣秀吉から朱印状を受け、安東氏から独立して松前氏と改名して蝦夷地支配に乗り出し、1604年（慶長9）には徳川家康から蝦夷地交易の全権をゆだねられて松前藩を立藩する。このころには勝山館の使命は終わり廃城となった。1979年（昭和54）から上ノ国町教育委員会による発掘調査が行われており、広範かつ活発な交易活動を示す約7万点の出土品があり、多数が重要文化財に指定されている。現地には町営の勝山館跡ガイダンス施設がある。上ノ国町の市街から車で約10分。◇和喜館(わきだて)ともいう。

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