
北海道ハイキングの完全ガイド
日本百名山
9
特集したトレイル
6
Best Season
July - August - Sept.
Highest Elevation
2290m
概要
Hokkaido is an alluring destination for those seeking to escape the human influence that's found on most of mainland Japan (Honshu). It contains the highest amount of natural forests in all of Japan, unspoiled by the cedar plantations that cover much of the mainland. It also contains more wildlife than the rest of Japan, with regular sightings of foxes, deer, squirrels, and sometimes even brown bears. The hiking trails often provide more peace and fewer people than the popular hikes back in the Japanese Alps. And although its most famous attraction is the huge amount of snowfall, the 3 warmest months in Hokkaido offer the most comfortable climate for summer hiking in Japan. If you desire a change of pace from the other incredible mountains near Tokyo and Osaka, Hokkaido is the perfect option, with its own unique landscape and environment.
There are many amazing hikes in Hokkaido, a truly complete guide would be far too big for one webpage, so this guide will only focus on the 日本百名山. There are 9 Hyakumeizan in Hokkaido and these mountains are the most common reason for hikers to visit during the summer.
この記事では
1. General
1.1 - Access
1.2 - Weather & Seasons
1.3 - Cautions & Bears
1.4 - Useful Links
2. Featured Hikes
2.1 - 大雪山系
2.2 - Mt. Tokachi and Biei
2.3 - Mt. Meakan
2.4 - Mt. Shari
2.5 - Mt. Rausu
2.6 - Mt. Yotei
3. Remaining Hyakumeizan
3.1 - Mt. Poroshiri
3.2 - Mt. Tomuraushi
3.3 - Mt. Rishiri

Climbing the river on the trail to Mt. Shari
アクセス
To Hokkaido
Flights are the best option from major cities and relatively cheap, often costing less than ¥10,000 one-way. The airport is located in New Chitose which is 40 min from Sapporo by train. You can compare prices here.
To The Hiking Trails
Renting a car is the best and sometimes the only option for accessing the hiking trails in Hokkaido. Although it can be expensive, you can offset the cost with car camping if you choose a vehicle with foldable rear seats. This can be requested when you go to pick up your car. You can compare prices and make reservations here, prices can be as low as ¥4000 – ¥6000.
Cycling around Hokkaido is quite popular, like most of Japan there can be a lot of rain during summer so some preparation is needed.
Public Transport in Hokkaido is not ideal for most of the hiking trails. But if you don't mind multiple connections and the odd taxi fare then you'll be fine. Hitch-hiking is legal in Japan and safer than other countries, but there are laws against disturbing traffic so be respectful when choosing this option.
天候と季節
Summer and autumn, from July to September, are the best times for hiking in Hokkaido. There is likely to be snow hanging around until July. The autumn leaves will be colourful from late-September. The first snowfall usually occurs in Daisetsuzan in October.
For weather forecasts, mountainforecast.com and the nearest town's forecast are a good combination for a fairly accurate picture. The weather is quite unpredictable though, so the forecast is only a guide, you should always be prepared for rain or storms.
This need for adequate preparation for storms in Hokkaido is painfully evident by two incidents involving hyperthermia in summer, one involving a hiker in Daisetsuzan (full story here) and the other involving 8 people on Tomuraushi (full story here).
Cautions & Bears
Drinking Water
One of the things you'll notice when travelling Hokkaido is the wildlife, and especially foxes, they're everywhere. For hikers, this means we can't drink any water from rivers and streams. Why? There is a risk of Echinococcosis, a potentially fatal parasitic disease that comes from fox poo, which is carried into the rivers after rainfall. So all water from these sources needs to be boiled or properly treated (adequate filter).
Ticks
Occasionally, you might encounter ticks while hiking in Japan, and due to the wildlife in Hokkaido this can be a bit more common. Although rare, three tick-born diseases have been slowly growing in the last 15 years: Lyme disease, Japanese spotted fever, and the SFTS virus. The later two are quite rare, however, Lyme disease is somewhat common if you happen to be bitten by a tick and don't remove it promptly. Make sure to check yourself regularly, and see a doctor if you're concerned after getting bitten. There is no cure for Lyme disease once it's established, but antibiotics are an effective method of treatment if taken early before the disease takes hold. You can read more about Lyme disease and it's prevention here.
Bears
There are more bears in Hokkaido than anywhere else in Japan, but luckily, it's unlikely you'll see them while hiking unless you're in the back country or hiking up Mt. Rausu. Hokkaido is also the only place in Japan where you'll find large brown bears, which require more caution than the smaller black bears. They're most active from September when they start preparing for hibernation. The effectiveness of bear bells is questionable (read an analysis here), but the effectiveness of bear spray is well documented. Standard bear safety should be practised while hiking in Hokkaido, including carrying bear spray. You can read an overview of bear safety tips here.
便利なリンク


Featured Hikes
概要
大雪山は、北海道の中心部に位置する山岳地帯であり、日本の有名な100座山の3つ、トムラウシ、十勝、そして北海道最高峰の旭岳を含んでいます。大雪山でハイキングをするとき、最高峰の旭岳を指すことが一般的です。峰へのハイキングには多くのコースがあり、最も人気のある3つのコースは次のとおりです:約5時間かかる峰への行き帰りのハイキング、天然の中岳温泉を含む7時間の循環コース、旭岳から黒岳までの8時間のコースです。これらのハイキングのすべては旭岳ロープウェイから出発します。
ギャラリー

概要
Elevation Change
➚ ➘ 1550m
十勝岳は大雪山国立公園にある大きな活火山であり、百名山の一部であり、美瑛岳という隣接する峰も含めて一周トレイルが一般的です。美瑛岳は、最も楽しい地形と最も素晴らしい景色が見られる場所であるため、十勝岳のハイキングに隣接する美瑛岳を一緒にするのは強くお勧めします。時間がない場合は、どちらかの山を往復の日帰りハイキングとして行うことができ、約6時間かかります。
ギャラリー

概要
雄阿寒岳は阿寒摩周国立公園に位置する素晴らしい活火山で、噴煙を上げる火口、美しい湖、そして双子の火山頂で有名です。今回のハイキングは、阿寒富士からの雄阿寒岳の壮観な景色が楽しめる循環ハイキングとして最も適しています。登山口が2つあります。1つ目は湖畔のキャンプ場から始まり、2つ目は雄阿寒岳の基部にある温泉から始まります。
阿寒摩周国立公園には美しい温泉、ホテル、そして見事な摩周湖などの他の見どころが多くあります。公園内の他の素晴らしいハイキングには、雄阿寒岳と摩周湖クレーターのハイキングがあります。
ギャラリー

概要
Mt. Shari is a magnificent mountain located between Mt. Meakan and Mt. Rausu. The trail features a stunning variety of terrain which includes multiple river crossings, some mild rock climbing, beautiful forests, waterfalls, gorgeous ridgeline paths, and steep mountain peaks surrounded by picturesque farmland. Over half of the hike meanders up the river which requires careful footing or water shoes, and extra consideration regarding rainfall. The hike is not that difficult, but requires extra consideration due to all of those river crossings. There is a nice mountain hut at the entrance to the trail, the friendly manager speaks some English and also does regular trail maintenance. The return trail detours around a gorgeous ridgeline which adds more variety to the hike.
Elevation Gain
➚ ➘ 950m
ギャラリー

概要
羅臼岳は知床半島に位置する最高峰であり、日本で最も多くのエゾヒグマが生息することで有名です。この山頂は強い風で有名で、360度の壮大な景色を楽しむことができます。地形は主に森林の中を通るトレイルで、そのうち約三分の一は小さな川の中にあり、雨の日は少し困難になります。一方、ハイキングの最後の区間は大きな岩で構成されています。熊以外にも、ここには多くの野生動物がおり、ハイキング中に鹿やキツネを見ることが非常に一般的です。登山口の隣にある山小屋で、熊よけスプレーを2000円でレンタルすることができます。登山道での熊の目撃が頻繁にあるため、これは強くお勧めされます。
Elevation Change
➚ ➘ 1450m
概要
Mt. Yotei is the most iconic mountain in Hokkaido, closely resembling the prominent classical shape of Mt. Fuji. It serves as a picturesque backdrop to the popular ski resorts in the winter, and offers enjoyable hiking in the summer. The forests around Yotei are quite beautiful and contain an abundance of wildlife, it's common to see chipmunks, woodpeckers, and foxes during your hike. Bear sightings are quite rare but occasionally happen. The views at the top can be spectacular on a clear day, hiking around the crater is quite fun with some large boulders for climbing and it adds some variety to the views, but can also be skipped depending on your stamina. The hike data provided above includes the rim, which adds an extra hour.
The Remaining Hyakumeizan

There are 3 remaining hyakumeizan I wasn't able to cover during my 10-day trip to Hokkaido. I've included a summary below and links to other websites with hike descriptions.
Mt. Poroshiri
Time: 2 Days
Distance: 25 km
Elev. change: ➚ ➘ 2600m
Trail info and photos: LostFilipina.com
One of the most difficult hikes to plan, there is no public transport, it requires 2 days hiking, and has an hour of river crossings which are impassable after moderate rainfall. There is a nice mountain hut on the ridge which can be booked in advance online. This hike is also known for bears and ticks.
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Mt. Tomuraushi
Time: 2 Days
Distance: 22 km
Elev. change: ➚ ➘ 1650m
Overnight hike: AllTrails.com
Mt. Tomuraushi is part of the Daisetsuzan mountain range and commonly done as part of multi-day hike that includes Asahidake, the highest peak in Daisetsuzan. It can also be done as a multi-day hike along with Tokachi and Mt.Biei. Alltrails has provided info for the shortest option which is an overnight hike from Tomuraushi Onsen. Given the numerous options for Tomuraushi, it would be best to buy the comprehensive hiking map to help with your planning. You can buy the map from Amazon.

Image: Google maps
Mt. Rishiri
Time: 9 Hours
Distance: 12-17 km
Elev. change: ➚ ➘ 1510m - 1670m
Trailhead 1: yamakei-online.com
Trailhead 2: LostFilipina.com
Mt. Rishiri might be the most difficult hike to get to in Japan. It's located across the ocean on a volcanic island at the northern most point of Hokkaido. There are two main trails, with a mountain hut about 2 hours from the summit if you wish to spend the night.

Image: Japan-Guide.com
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