MOUNTAIN KNOWLEDGE
YAMAGATA · JAPAN · ASIA
Komata Yama
Also known as Komata-yama, xiao you shan, 小又山
Explore Komata Yama in Japan. Find available mountain knowledge, plan a climb and keep your memories in your private Passport.
This page is not yet a complete trip guide. Route, access, permit and safety information may be missing or unreviewed. Confirm current official and local sources before planning travel.
AT A GLANCE
Meet Komata Yama.
Explore the mountain’s landscape, local context and practical information below. Sources are included with each section.
MOUNTAIN KNOWLEDGE
Get to know this mountain.
Updated 2 November 2026. Explore the sources with each section, and check current local advice before travel.
About this mountain
- Name
Komata Yama
- Country
Japan
- Native Name
小又山
- Prefecture
Yamagata
- Municipality
Mogami
- Official Regional Elevation Metres
1367
Sources & scope
Exact feature identity, native name, municipal scope and official regional elevation.
- Triangulation point results: Komatayama ↗Geospatial Information Authority of Japan · checked 02/11/2026
- 小又山 (Komata Yama) ↗Yamagata Mountain Information Portal · checked 02/11/2026
- Location and terrain of Mogami Town ↗Mogami Town Government · checked 02/11/2026
Access & planning
- Baseline
Mogami Town describes the Oomata route as avoiding a river crossing, about 180 minutes to Koeto junction plus about 60 minutes to the summit.
- Current Advisory
The 26 July 2026 official notice says the Nishinomatasawa approach is inaccessible due to a landslide; Oomata forest-road construction requires parking earlier and about a 30-minute walk to the trailhead.
- Before you go
Recheck the official Yamagata trail-status page immediately before travel.
Sources & scope
Published municipal route context; not a live condition guarantee or difficulty certification
Dated current advisory only; users must recheck before travel
- Trailheads and trekking: Oomata entrance ↗Mogami Town Government · checked 02/11/2026
- Kamuro Range trail information, current 26 July 2026 ↗Yamagata Mountain Information Portal · checked 02/11/2026
Permits & local services
- Facilities
Ordinarily limited parking and no trailhead toilet; the current construction notice supersedes ordinary parking location.
Sources & scope
Published facility context; parking availability is not guaranteed and current construction advisory supersedes ordinary parking context
- 小又山 (Komata Yama) ↗Yamagata Mountain Information Portal · checked 02/11/2026
- Kamuro Range trail information, current 26 July 2026 ↗Yamagata Mountain Information Portal · checked 02/11/2026
Geology & landscape
The official portal describes Tertiary andesite, broad granite exposure, deep valleys and asymmetric snow-shaped ridges.
Sources & scope
Feature/range geology and landform context from the official portal
- 小又山 (Komata Yama) ↗Yamagata Mountain Information Portal · checked 02/11/2026
Nature & wildlife
A detailed species list is not available for this mountain yet.
Official sources describe primary beech forest and a low forest limit associated with heavy snow; no individual species occurrence is asserted.
Sources & scope
Route and mountain vegetation context; no individual species occurrence is asserted
- 小又山 (Komata Yama) ↗Yamagata Mountain Information Portal · checked 02/11/2026
- Location and terrain of Mogami Town ↗Mogami Town Government · checked 02/11/2026
Safety & conditions
Current official landslide and forest-road construction advisory only; no general difficulty or equipment claim.
Sources & scope
Dated current advisory only; users must recheck before travel
- Kamuro Range trail information, current 26 July 2026 ↗Yamagata Mountain Information Portal · checked 02/11/2026
Mountain knowledge is a starting point for planning. Confirm your route, access permissions and current conditions before you go.
PLANNING COVERAGE
No reviewed route overview yet.
We do not have a reviewed summit route for this mountain yet. Check current official and local advice before choosing a route.
COMMUNITY & STORIES
From people who know the mountain.
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FIELD KNOWLEDGE
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Komata Yama, through other eyes.
Memories climbers have chosen to share, from the approach to the way home.
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PRACTICAL INFORMATION
Plan beyond the map.
Conditions, access, permits and emergency arrangements can change after any map or Route review. Confirm current official and local sources before departure.
Current access not yet verified
Check current access, permits and any closures with local authorities before departure.
No reviewed Route date
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