Karuizawa is a superb destination for outdoor enthusiasts, offering a surprising variety of hiking and trekking options right in the heart of Nagano Prefecture. Whether you’re after a relaxing walk through colorful forests or a challenging climb to mountain peaks, Karuizawa has something to suit your pace. One of the highlights is the Karuizawa Forest, where gentle descents and waterfalls make for an accessible nature escape. We also appreciate the trek along the historic Nakasendo route, which combines scenic views with a taste of Japan’s old travel routes. For those looking to push their limits, the trek up Mt. Asama or snowshoeing adventures at its foot can satisfy the more adventurous spirits.
While planning your trip, keep in mind each tour’s unique focus: some are ideal for beginners, others for seasoned hikers. Whether you want a short, scenic walk or a full-day mountain climb, our list below will help you find the perfect fit.
1. Relax and refresh in Karuizawa Forest! Shinanoji down trekking around two people
At number 1, the Shinanoji Nature Trail offers an easy and rejuvenating walk through Karuizawa’s colorful forests. Covering about 10 km with a relaxed downhill pace, this tour is perfect for those who want to enjoy nature without the exhaustion of steep climbs. Starting near the Minenochaya Nagakura, the trail takes you past famous waterfalls like Shiraito Falls and Dragon Falls—a highlight that adds a splash of excitement to an already scenic route.
What makes this tour stand out is its accessibility: it’s designed for young and old alike, including those who may not consider themselves in peak physical condition. The trail’s gentle descent allows for a peaceful experience immersed in larch forests and diverse trees. The waterfalls, especially Shiraito, are stunning and easy to reach, with only 15-minute visits each. The tour lasts about 3 to 4 hours, providing a good balance of activity and relaxation.
Bottom Line: This is an excellent choice for families, older travelers, or anyone seeking a calming, nature-filled outing with impressive waterfalls and minimal difficulty.
2. Old Nakasendo trekking from Karuizawa-Beyond Sugahi Pass to Sakamoto Hotel
At number 2, the Old Nakasendo trekking tour offers a deeper dive into Japan’s historic travel routes. Starting at the Karuizawa Tourist Hall, you’ll follow the path of the ancient Nakasendo Road, passing through sites like the Yamanaka teahouse ruins and the Sakamoto inn. What makes this trek unique is the combination of historic scenery and panoramic views—particularly from the top of Usui Pass, where on a clear day, you can see Mt. Asama, the Yatsugatake mountains, and even the sea of clouds below.
The full trek lasts about 5 to 6 hours, covering scenic passes, shrines, and historic inns. The highlight is the Kumanokotai Shrine, a rare Shinto shrine that straddles two prefectures and is considered a powerful spiritual site. The terrain varies from flat stretches to challenging descents, but the focus on history and panoramic vistas makes this a rewarding experience.
While reviews are scarce, the route’s historical significance and the spectacular viewpoint at Usui Pass make it well worth the effort. It’s suited for active travelers with some hiking experience who want to combine nature with Japan’s cultural heritage.
Bottom Line: A good pick for history buffs or those interested in Japan’s old travel routes who want a full day of scenic and cultural exploration.
$91.00 per person
3. Trekking on the Mt. Asama with a great view
Number 3 on our list is the guided trek to Mt. Asama’s summit, an active volcano that offers spectacular views from 1,655 meters. The tour lasts about 3 hours and is suitable for beginners and intermediate hikers alike. The guide will share insights about the volcanic formation and vegetation of the mountain as you ascend.
What’s special about this tour is its focus on learning while exploring. The ascent isn’t overly strenuous, making it accessible for most ages, and the summit view of Mt. Asama and the surrounding landscape is breathtaking. As a parasitic volcano, Mt. Koasayama at the base adds an extra layer of interest, especially if you’re curious about volcanic activity.
During the hike, you’ll get close to volcanic features, and the panoramic vistas from the top make all the effort worthwhile. The guide’s local knowledge enhances the experience, turning a straightforward trek into an educational outing.
Bottom Line: Ideal for those wanting a manageable trek with a mix of nature and geology, topped with stunning scenery. It’s a rewarding outing for first-timers eager for an authentic mountain adventure.
$59.68 per person
4. Snow mountain hiking at the foot of Asama- Karuizawa Snowshoe Tour
Last but not least, the snowshoe tour at the foot of Mt. Asama offers a fantastic winter experience. Lasting 2 to 4 hours, this guided adventure is tailored for beginners and experienced snowshoe enthusiasts. You’ll explore the snow-covered fields, searching for signs of wildlife and birdlife, while enjoying spectacular views of Mt. Asama blanketed in snow.
What makes this tour stand out is its adaptability: courses are designed for different skill levels, making it accessible for all ages. The snowshoes help you glide across the snow with ease, offering a quiet, peaceful way to connect with winter nature. The tour includes observing wildlife footprints and taking in the magnificent winter scenery, which is especially impressive at sunrise or sunset.
The tour’s value lies in its combination of nature discovery and gentle exercise, perfect for a winter escape. If you’re visiting during the colder months, this is an ideal way to enjoy Karuizawa’s snowy landscape with a knowledgeable guide.
Bottom Line: A fun and scenic winter activity suited for families, beginners, or anyone wanting to experience snow-covered nature without technical difficulty.
$49.00 per person
How to Choose the Right Hiking or Trekking Tour in Karuizawa
When selecting the perfect adventure, consider your fitness level, interests, and available time. If you prefer a gentle forest walk with waterfalls, the Shinanoji down trekking is a relaxing start. For those interested in history and panoramic views, the Old Nakasendo trek offers rich cultural insights. Active hikers eager for mountain views and volcanic landscapes should consider the Mt. Asama trek. Lastly, if you’re visiting in winter or enjoy snow, the snowshoe tour provides a scenic and peaceful experience.
Booking early is advisable, especially during peak seasons in spring and autumn. Check the weather forecast and pack appropriate gear—comfortable shoes, layers, and rain gear for wet days. Each tour caters to different preferences, so pick one that aligns with your fitness and adventure appetite.
Karuizawa’s range of hiking and trekking options means there’s something for all. Whether you prefer a calm nature walk, a historic route, or an exciting mountain climb, these tours provide authentic experiences away from crowded tourist spots. For a truly memorable trip, consider combining a few, and remember to book ahead to secure your spot. Happy hiking!