Japanese Alps Trekking: How to Make the Most of Onsen Hopping

Japanese Alps Trekking: How to Make the Most of Onsen Hopping

The Japanese Alps offer some of the most breathtaking and challenging trekking routes in the world. With their towering peaks, lush forests, and stunning vistas, the Japanese Alps attract outdoor enthusiasts from around the globe. But trekking in this region is not just about the physical challenge; it’s also about immersing yourself in the rich cultural traditions of Japan, including the ancient practice of onsen hopping.

Onsen, or hot springs, have been a part of Japanese culture for centuries. These natural geothermal hot springs are believed to have healing properties and are a popular pastime for locals and tourists alike. Onsen hopping involves visiting multiple hot springs along your trekking route, allowing you to relax and rejuvenate after a long day of hiking.

Trekking Routes in the Japanese Alps

The Japanese Alps are divided into three major ranges: the Northern, Central, and Southern Alps. Each range offers a unique trekking experience, with varying levels of difficulty and stunning natural beauty.

The Northern Alps, also known as the Hida Mountains, are the highest and most challenging range in the Japanese Alps. This range is home to iconic peaks such as Mount Hotaka and Mount Yari, which attract experienced climbers and trekkers. The Tateyama Kurobe Alpine Route is a popular trekking route in the Northern Alps, offering breathtaking views of the surrounding mountains and access to several onsen along the way.

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The Central Alps, or the Kiso Mountains, are known for their picturesque valleys and ancient forests. The Nakasendo Trail is a historic route that winds through the heart of the Central Alps, passing through traditional villages and offering stunning views of the surrounding countryside. Along the Nakasendo Trail, trekkers can enjoy a dip in the famous Magome Onsen, a hot spring known for its healing properties.

The Southern Alps, or the Akaishi Mountains, are the least developed and least crowded of the three ranges. This region offers a more remote and rugged trekking experience, with fewer amenities and facilities along the way. The Kamikochi Valley is a popular starting point for treks in the Southern Alps, and nearby onsen such as Taisho Pond Onsen provide a perfect opportunity to relax and soak in the natural beauty of the area.

Onsen Hopping: A Cultural Experience

Onsen hopping is not just about soaking in hot springs; it’s also an opportunity to immerse yourself in Japanese culture and traditions. Before entering an onsen, it’s important to understand and respect the customs and etiquette associated with this ancient practice.

One of the most important rules of onsen etiquette is cleanliness. Before entering the hot spring, trekkers are required to wash their bodies thoroughly in the provided bathing facilities. This ensures that the water in the onsen remains clean and hygienic for all visitors.

Another important aspect of onsen etiquette is the use of towels. In most onsen, visitors are provided with a small towel to cover their private parts while walking around the facilities. However, this towel should not be used to enter the hot spring itself. Instead, it should be placed on the side of the pool or hung on a hook while you enjoy the hot water.

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Onsen hopping also provides an opportunity to try traditional Japanese cuisine. Many onsen resorts offer delicious meals made with local ingredients, allowing trekkers to refuel and indulge in the flavors of the region. From fresh seafood to hearty mountain vegetables, the food at onsen resorts is a true reflection of the surrounding natural environment.

Planning Your Onsen Hopping Trek

When planning your Japanese Alps trekking adventure, it’s important to consider the logistics of onsen hopping. Here are some tips to help you make the most of this unique experience:

  • Research the onsen along your chosen trekking route and plan your itinerary accordingly. Some onsen may require reservations or have limited hours of operation.
  • Consider staying at onsen resorts along the way to fully immerse yourself in the experience. These resorts often offer traditional Japanese accommodations, including tatami rooms and futon beds.
  • Pack a lightweight, quick-drying towel to use in the onsen. Many onsen resorts provide towels for guests, but having your own can be more convenient.
  • Bring a small bag to carry your toiletries and change of clothes for the onsen. Most onsen resorts provide lockers or baskets for storing your belongings while you soak.
  • Check the weather conditions and pack appropriate clothing and gear for your trekking adventure. Layers are key, as temperatures can vary greatly in the mountains.


Trekking in the Japanese Alps is a truly unforgettable experience, combining physical challenge with cultural immersion. Onsen hopping adds an extra element of relaxation and rejuvenation to your trek, allowing you to soak in the healing waters of Japan’s natural hot springs. Whether you choose to tackle the towering peaks of the Northern Alps or explore the ancient forests of the Central Alps, onsen hopping is a must-do activity for any trekking enthusiast in Japan.

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