Photo: unknown / Public domain · Wikimedia Commons
Okutama Town
Tokyo · Town
Official websiteTokyo page
Okutama Town is a mountain town at the western end of Tokyo. It has Ogochi Dam (Lake Okutama), the main water reservoir for Tokyo. Mountains such as Mt. Kumotori, the highest peaks in Tokyo, line up here, and the town is a base for hiking and camping.
Key facts
Source: Statistics Bureau of Japan, 2025 Population Census (population, area and density); area from the Geospatial Information Authority of Japan (GSI), Area Statistics of Prefectures and Municipalities (2025). National ranks are among the 1,741 municipalities, ordered by this site from these values.
Live information
Current weather (observed)
Places to visit
Chosen automatically, most popular first, from landmarks and cultural properties registered in Wikidata (we have not checked whether each is open). Names and descriptions: Wikidata (CC0); photos: Wikimedia Commons (photographer and license under each photo).
Mountains in this town
Mountains whose summit is in this municipality (mountains of 800 m or higher on this site's map, and mountains in the famous-mountain lists). Elevations from Wikidata and other sources.
National parks in this town
Chosen by overlaying the park boundaries (Ministry of the Environment, Biodiversity Center of Japan, "National Park Areas" GIS data, updated April 28, 2025, combined and simplified by NIPPON ATLAS) with municipal boundaries (National Land Numerical Information, January 2021), keeping overlaps of about 0.5 km² or more (approximate). Areas are the land areas from the Ministry of the Environment, "Overview of National Parks" (April 10, 2026). All national parks
Neighboring municipalities
Municipalities sharing a boundary (computed from the National Land Numerical Information administrative boundaries, January 2021).
Other municipalities in Tokyo
- Chiyoda City, Tokyo
- Chuo City, Tokyo
- Minato City
- Shinjuku City
- Bunkyo City
- Taito City
- Sumida City
- Koto City
- Shinagawa City
- Meguro City
- Ota City, Tokyo
- Setagaya City
- Shibuya City
- Nakano City, Tokyo
- Suginami City
- Toshima City, Tokyo
- Kita City
- Arakawa City
- Itabashi City
- Nerima City
- Adachi City
- Katsushika City
- Edogawa City
- Hachioji City
- Tachikawa City
- Musashino City
- Mitaka City
- Ome City
- Fuchu City, Tokyo
- Akishima City
- Chofu City
- Machida City
- Koganei City
- Kodaira City
- Hino City, Tokyo
- Higashimurayama City
- Kokubunji City
- Kunitachi City
- Fussa City
- Komae City
- Higashiyamato City
- Kiyose City
- Higashikurume City
- Musashimurayama City
- Tama City
- Inagi City
- Hamura City
- Akiruno City
- Nishitokyo City
- Mizuho Town, Tokyo
- Hinode Town
- Hinohara Village
- Oshima Town
- Toshima Village, Tokyo
- Niijima Village
- Kozushima Village
- Miyake Village, Tokyo
- Mikurajima Village
- Hachijo Town
- Aogashima Village
- Ogasawara Village
The description was written for this site, picking out representative features.