日據初期草山[今日的陽明山]發現有高品質的溫泉，殖民政府有效利用溫泉及地熱資源積極開發草山。經過十年時間已有規模，造就草山地區觀光的繁榮景象，草山與北投兩處溫泉為當時北台灣兩大溫泉區。
大正2年[1913]建築物完工，名稱是[草山溫泉公共浴場]由台北州經營，是內部設備完善的公共浴場眾樂園，溫泉水很適合養身。日本戰敗國民政府接收後一度遭廢置，後來改為[台北市教師研習中心]。
整體牆的色澤灰紫色，呈現歐式田園建築風，設計高雅精緻。
陽明山區域在地理上稱大屯火山群，包括紗帽山、七星山、大屯山、竹子山、向天山因為是休火山［地底岩漿庫存在但暫不活動］，所產生地熱有溫泉及盛產安山岩。
手上標本的岩塊色澤灰色沒有呈現紫色。
整棟建築上是斜頂屋瓦，運用草山附近色澤呈現灰紫色的安山岩砌築牆體，大正2年[1913]建築物完工。當時沒有仰德大道直上山，從士林火車站算起經迂迴蜿蜒數個山頭共計１１公里才可到達草山溫泉公共浴場。還是東宮太子即後來昭和裕仁也曾到此一遊，當時交通雖已開通但位處幽靜山中凸顯出它的獨特。
與舊照同角度拍攝
經整修當時斜頂屋瓦有氣窗，可能長年失修漏水已廢除。路面斜坡也整平，慢慢比對整體的前後不同之處。
台北市教師研習中心原建築於美軍駐台期間被當作美軍招待所1號，直到1969年美軍撤離。資料來源如下：http://ustdc.blogspot.com/2012/02/
回覆刪除The Grass Mountain Hostel #1 is now Taipei Teachers' In-Service Education Center
the building was built by the Taiwan Sugar Corporation (of Japan). That style of architecture is very similar to other buildings on YMS that were built in the early 1920's by the Taiwan Sugar Corporation. The TSC was one of the Japanese monopolies (Other monopolies were lumber, rice, metals and coal). The Japanese maintained full control of all those industries during the Japanese era on Taiwan.
A few years ago I posted these two photos that Stev Pitchford took of the Hostel #1 building when it was being used by the American military.
The above blog mentions the facility was used as dormitories by US military personnel until 1969. The facility then was used by the Park Authority until 1981 when it became Taipei Teachers' In-service Education Center.