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Mount Ōmatei

大マテイ山

Kosuge, Yamanashi · Elevation 1,409 m

Mount Ōmatei is a 1,409.2 m peak on the border of Ōtsuki City and Kosuge Village in Yamanashi, set on the long ridge that extends east from the Daibosatsu range along the Ushi-no-ne traverse. The name is said to derive from "Ōmadoi-yama" — the easily-lost mountain — and the peak typically serves as a waypoint on loops linking Narakura and Tsurune over the headwaters of the Tama River. It lies within Chichibu-Tama-Kai National Park, with grand horse-chestnut and beech trees and one of the Okutama region's finest red-toned autumn displays. The standard loop starts and finishes at the Kosuge roadside station.

Mount Ōmatei at a glance

  • Weather: The most settled day in the next 7 days is Sun, November 8: clear, gusts up to 7 m/s.

Mount Ōmatei weather (hourly, 14 days)

Sunrise today 06:08, sunset 16:48

Tue, 11/3Wed, 11/4Thu, 11/5Fri, 11/6Sat, 11/7Sun, 11/8Mon, 11/9Tue, 11/10Wed, 11/11Thu, 11/12Fri, 11/13Sat, 11/14Sun, 11/15Mon, 11/16Tue, 11/17
Japan time2123135791113151719210369121518210369121518210369121518210369121518210369121521391521391521391521391521391521391521391521391521
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Temperature°C5°5°4°4°4°4°4°5°6°5°3°3°4°4°5°5°8°13°10°7°5°5°6°5°12°15°14°7°5°3°1°2°7°10°8°2°1°1°0°0°6°8°5°3°0°1°1°2°3°5°3°2°0°1°3°0°-2°3°5°-4°-3°3°5°2°-2°6°8°-1°-1°3°5°-1°-2°6°9°5°5°11°14°2°3°1°3°0°
Precipitationmm1.81.60.51.31.43.5111670.90.10.30.10.40.10.21.10.70.10.20.10.24.917
New snowcm
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Windm/s111111111211121231201231132112212210111112211000121111212431122112000120121122131121
Wind gustsm/s2333344655544557775456884886455568763333477634434774447661215945864583257637105886157576
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Huts, campsites and lodging near Mount Ōmatei

Campsites

  • 平山キャンプ場 3.2 km from the summit
  • ほうれんぼうの森キャンプ場 4.9 km from the summit

Mount Ōmatei facts

Also known as
大惑山 · 山沢入 · 山沢入三角点 · オオマデー山 · オオマドイ山 · 大マテー山 · 大マティー
Elevation
1,409 m
Location
Kosuge, Yamanashi
35.740939, 138.923782
National Park
秩父多摩甲斐国立公園
Trail Map
www.vill.kosuge.yamanashi.jp (PDF)
Access Information
kosugemura.com

Mountains near Mount Ōmatei

Nearby ski resorts