Uenohara
city in Yamanashi Prefecture, Japan
Uenohara (上野原市, Uenohara-shi) is a city located in Yamanashi Prefecture, Japan. As of 1 February 2023, the city had an estimated population of 23,158 in 9987 households, and a population density of 140 persons per km². The total area of the city is 170.57 square kilometres (65.86 sq mi).
Geography
Uenohara is located on the extreme eastern edge of Yamanashi Prefecture, on a fluvial terrace of the Sagami River.
Mountains: Mount Mikuni, Mount Mitou, Mount Ougi
Rivers: Sagami River, Tsuru River, Nakama River
Surrounding municipalities
Kanagawa Prefecture
Sagamihara
Tokyo
Okutama, Hinohara
Yamanashi Prefecture
Dōshi
Kosuge
Ōtsuki
Tsuru
Climate
The climate in the city is characterized by hot, humid summers and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Uenohara is 13.4 °C. The average annual rainfall is 1497 mm, with September being the wettest month. The highest temperatures are typically in August, averaging around 25.5 °C, and the lowest in January, averaging around 2.2 °C.
Demographics
Per Japanese census data, Uenohara's population peaked around the year 2000 and has been declining since.
History
The area around present-day Uenohara was heavily settled during the Jōmon period, and numerous Jōmon sites have been found within the city limits. However, there are fewer Yayoi period sites. During the Nara period ritsuryo organization of Kai Province, the area came under Tsuru County.
Begin with the source’s own compact description: “Uenohara” is city in Yamanashi Prefecture, Japan. The dossier treats that line as a proposition to test through Uenohara, city and Yamanashi, not as a finished interpretation.
Why this record matters
The phrase “city in Yamanashi Prefecture, Japan” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q851030. VIAF identifies the subject as 241144647696870837472. Authority coordinates are 35.630, 139.109. 1 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2023, 1497 and 2000.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Uenohara”, its source revision and the description used here.
- Expand the search: follow Uenohara primary sources, Uenohara archive and Uenohara research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Uenohara”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Uenohara” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.