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Komata Yama

Japan · Elevation not verified

Reviewed routes

No reviewed route is included. Missing route information does not establish safe or legal access.

About this mountain

Name

Komata Yama

Country

Japan

Native Name

小又山

Prefecture

Yamagata

Municipality

Mogami

Official Regional Elevation Metres

1367

Sources and scope

Exact feature identity, native name, municipal scope and official regional elevation.

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 and scope

Published municipal route context; not a live condition guarantee or difficulty certification

Dated current advisory only; users must recheck before travel

Permits & local services

Facilities

Ordinarily limited parking and no trailhead toilet; the current construction notice supersedes ordinary parking location.

Sources and scope

Published facility context; parking availability is not guaranteed and current construction advisory supersedes ordinary parking context

Geology & landscape

The official portal describes Tertiary andesite, broad granite exposure, deep valleys and asymmetric snow-shaped ridges.

Sources and scope

Feature/range geology and landform context from the official portal

Nature & wildlife

Official sources describe primary beech forest and a low forest limit associated with heavy snow; no individual species occurrence is asserted.

Sources and scope

Route and mountain vegetation context; no individual species occurrence is asserted

Safety & conditions

Current official landslide and forest-road construction advisory only; no general difficulty or equipment claim.

Sources and scope

Dated current advisory only; users must recheck before travel