【地形旅】～『等々力渓谷』のその先には何がある？　多摩川で分断された村があった？2025年9月11日　氾濫した谷沢川『矢川橋』付近～

This time, we'll travel beyond Todoroki Valley, the only valley in Tokyo's 23 wards. What exactly lies beyond? [Nearby Sites] The "lonely, mysterious convex area" next to Todoroki Valley has a terrifying story...    • 【謎の凸地】～等々力渓谷の隣にある『ポツンと残った謎の凸地』には怖い逸話があった・・・～   A trip to Todoroki Valley, the only valley in Tokyo's 23 wards    • 【地形旅】～東京23区唯一の渓谷『等々力渓谷』は今どうなってる？その地形と現状を旅し...   *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). *The maps were created by overlaying topographical maps and visual inspection and tracing. -There may be discrepancies in the locations of rivers and other locations. Thank you for your understanding. *As this is a personal project, please be aware of misreadings and typos. *Memberships are now available. We will be posting videos that show the topography of a certain place along with maps. We will be uploading several videos per month, so be sure to check them out.    / @chizutabi365   Maps Standard maps, elevation maps, topographic classification maps, etc. Geospatial Information Authority of Japan website https://www.gsi.go.jp/ Historic maps (based on Geospatial Information Authority of Japan maps) Imasen on the web website https://ktgis.net/kjmapw/ References Public Relations Division, Setagaya Ward Mayor's Office, Tokyo, "Setagaya, the Origins of Towns and Villages: Commemorating the 50th Anniversary of the Ward System," 1982 Setagaya Ward website https://www.city.setagaya.lg.jp/02212... Ferry Monument Collection website https://www.hamadayori.com/wata-col/t... Cat Pawprints website https://tesshow.jp/setagaya/shrine_no...