現在の九重連山山頂は快晴、気温6.9℃、体感は4.8℃と穏やかな朝を迎えています。風も1.63m/sと弱く、視程は16km以上と良好です。日中は薄曇りとなる時間帯もありますが、気温は11.4℃まで上昇し、風も最大突風6m/s程度と終日穏やかに推移するでしょう。
今日の体感気温4.8℃から日中の上昇を考慮すると、ベースレイヤーには速乾性の化繊、ミッドレイヤーには薄手のフリースや軽量ダウン、アウターには防風性のあるジャケットが適切です。行動中は体温が上がるため、こまめな脱ぎ着で調整し、休憩時には体温低下を防ぐため保温着を着用してください。降水・降雪の予報はなく、気温も氷点下ではないため、路面はドライコンディションが続くでしょう。牧ノ戸峠コースなど主要ルートでの泥濘の心配も少ないと見られます。アイゼンやチェーンスパイクは不要です。
九重連山は火山群であり、広大な山域では天候急変時の道迷いが大きなリスクです。特に三俣山や大船山といった独立峰では、視界不良に陥ると方向感覚を失いやすいことを認識してください。今日は視程良好ですが、午後の薄曇り予報に注意し、常に地図とコンパス、GPSで現在地を確認しながら行動することが重要です。坊ガツル湿原周辺は湿地帯のため、万一の降雨に備え防水性の高い登山靴は必須です。
雷のリスクは極めて低く、強風や低体温症の懸念も小さい一日ですが、休憩時の冷えには注意が必要です。夕方にかけて曇りとなる時間帯もありますが、降水の予報はなく、夜間は再び晴れ間が広がる見込みです。
大分県
九重連山
Kuju Mountains
2026年5月13日 07:12 更新
青空広がる九重 快適な稜線歩き
Clear skies and calm winds for Kuju. Mild temperatures rising through the day.
現在の気象状況 — Current Conditions
▲ 山頂エリア (Summit)
気温 Temp
+6.9°C
風速 Wind
1.6m/s
NW
天候 Weather
☀️ 快晴
体感 Feels Like
+4.8°C
▼ 登山口・山麓エリア (Base)
気温 Temp
+11.7°C
風速 Wind
1.6m/s
NW
天候 Weather
☀️ 快晴
標高 Altitude
1,032m
山頂の3時間予報 — Summit Forecast
09:00
+10°C
0.7m/s
N
💧 0mm
(0%)
12:00
+11°C
0.4m/s
SE
💧 0mm
(54%)
15:00
+11°C
0.7m/s
WSW
💧 0mm
(80%)
18:00
+9°C
1.9m/s
ESE
💧 0mm
(88%)
21:00
+8°C
0.9m/s
SE
💧 0mm
(20%)
00:00
+8°C
0.8m/s
WNW
💧 0mm
(0%)
03:00
+7°C
1.5m/s
E
💧 0mm
(0%)
気象分析 — Analysis Report
日本語
コンディション概ね良好 — 通常の山岳安全対策を実施すること
English
Conditions generally good — Conduct standard mountain safety measures
Currently, Kuju Mountains summit experiences clear skies with a temperature of 6.9℃, feeling like 4.8℃. Winds are calm at 1.63m/s, and visibility is excellent at over 16km. Although partly cloudy conditions are expected during the day, temperatures will rise to 11.4℃, and winds will remain gentle with gusts up to approximately 6m/s throughout the day.
Considering the current felt temperature of 4.8℃ and the expected rise, a quick-drying synthetic base layer, a thin fleece or lightweight down for the mid-layer, and a windproof jacket for the outer layer are appropriate. Adjust your layers frequently during activity to regulate body temperature, and wear insulating layers during breaks to prevent hypothermia. There is no precipitation or snowfall forecast, and temperatures are above freezing, so trails will remain dry. Muddy conditions are unlikely on popular routes like the Makinoto Pass course. Crampons or microspikes are not required.
Kuju Mountains are a volcanic range, and getting lost in whiteout conditions is a significant risk in its vast terrain. Be aware that you can easily lose your sense of direction if visibility deteriorates, especially on isolated peaks like Mt. Mimata and Mt. Daisen. Although visibility is good today, pay attention to the partly cloudy forecast for the afternoon and always confirm your current location using a map, compass, and GPS. For areas around Bogatsuru Wetland, waterproof hiking boots are essential in case of unexpected rain.
The risk of thunderstorms is extremely low, and strong winds or hypothermia are not major concerns today. However, be mindful of getting cold during breaks. Although partly cloudy conditions are expected towards evening, no precipitation is forecast, and clear skies are anticipated to return overnight.
Considering the current felt temperature of 4.8℃ and the expected rise, a quick-drying synthetic base layer, a thin fleece or lightweight down for the mid-layer, and a windproof jacket for the outer layer are appropriate. Adjust your layers frequently during activity to regulate body temperature, and wear insulating layers during breaks to prevent hypothermia. There is no precipitation or snowfall forecast, and temperatures are above freezing, so trails will remain dry. Muddy conditions are unlikely on popular routes like the Makinoto Pass course. Crampons or microspikes are not required.
Kuju Mountains are a volcanic range, and getting lost in whiteout conditions is a significant risk in its vast terrain. Be aware that you can easily lose your sense of direction if visibility deteriorates, especially on isolated peaks like Mt. Mimata and Mt. Daisen. Although visibility is good today, pay attention to the partly cloudy forecast for the afternoon and always confirm your current location using a map, compass, and GPS. For areas around Bogatsuru Wetland, waterproof hiking boots are essential in case of unexpected rain.
The risk of thunderstorms is extremely low, and strong winds or hypothermia are not major concerns today. However, be mindful of getting cold during breaks. Although partly cloudy conditions are expected towards evening, no precipitation is forecast, and clear skies are anticipated to return overnight.
山岳ガイド — Mountain Guide
概要 Overview
大分県玖珠郡九重町・竹田市にまたがる標高1,791m(中岳・九州本土最高峰)の連峰。火山群と高層湿原・温泉地が織りなす景観で、阿蘇くじゅう国立公園の核心部を形成する九州を代表する山域。
特徴・地形 Features
中岳・久住山・大船山・三俣山など多数の峰が連なる火山群。坊ガツル湿原は日本有数の高層湿原として国際保護湿地(ラムサール条約)に登録。ミヤマキリシマの大群落で有名。
ベストシーズン Best Season
通年。ミヤマキリシマは5月下旬〜6月上旬。紅葉は10月中旬〜11月初旬。冬期は霧氷観賞も人気。
主要ルート Main Routes
牧ノ戸峠コース(最一般的)、長者原コース(坊ガツル経由)、男池コース、大船山縦走。
注意点・危険箇所 Cautions
火山活動状況の確認必須。冬期はアイスバーンと強風で危険度上昇。霧の発生で道迷いに注意。
アクセス Access
JR豊後中村駅・久大本線・国道210号沿い。やまなみハイウェイから牧ノ戸峠へ車。
※ 本ガイド情報は一般的な参考資料であり、最新の登山道状況・規制情報は各自治体・登山口の公式情報をご確認ください。