【消えた温泉街】～『横浜の箱根』『関東の有馬温泉』と呼ばれた温泉街の痕跡を探してみた～

This time, I explored Tsunashima Onsen, once known as Tokyo's inner sanctuary. I traveled around searching for the few remaining traces. [Related Video] A trip to Tsunashimadai, a mysterious convex area north of Tsunashima Onsen.    • 【旅動画】～桃の名産！？横浜にある謎の独立丘陵『綱島台』には何がある？   *Satellite images are processed from Google Maps and Geospatial Information Authority of Japan (aerial photographs). Elevation maps and standard maps are processed from Geospatial Information Authority of Japan (map tiles). *Maps are created by overlaying topographical maps and visual inspection. *As a result, there may be discrepancies in the locations of rivers and other locations. Please understand. *This is a personal project, so please be aware of misreadings and typos. *Maps Standard maps, elevation maps, topographic classification maps, etc. Geospatial Information Authority of Japan website https://www.gsi.go.jp/ Historical maps (based on Geospatial Information Authority of Japan maps) Contemporary maps on the web HP https://ktgis.net/kjmapw/ *Reference materials https://chinobouken.com/tsunashimaonsen/ https://shin-yoko.net/2025/09/16/ty10... https://www.okuraken.or.jp/study/area... https://hiyosi.net/2024/05/07/tsunash... https://www.nihon-housing.co.jp/blog/... https://hamarep o.com/story.php?story_id=2457 https://www.okuraken.or.jp/study/area... https://hiyosi.net/2022/03/17/tsunash... https://hiyosi.net/2018/03/19/tsunash... https://hiyosi.net/2023/02/22/kohoku_... https://www.okuraken.or.jp/study/area...