If you’re searching for a unique, hands-on experience close to the iconic Mt. Fuji, this Mt. Fuji Secret Canyon River Trekking tour offers a memorable blend of natural beauty and light adventure. Based on glowing reviews and detailed descriptions, this activity invites travelers to explore a hidden lava canyon, swim in natural pools, and enjoy a day immersed in Japan’s lush outdoors.
What we love about this tour? First, the accessibility for families and beginners — you don’t need prior experience to enjoy the activities. Second, the expert guides ensure safety and add local insights, enriching your journey.
A potential consideration? The activity is seasonal, only operating from May to October, so if you’re visiting in winter, you’ll need to plan a different experience. Also, participants should be comfortable with water activities like jumping and swimming, though activities are designed to be fun and manageable for most.
This tour suits families with children aged 9 and above, adventure seekers eager to discover Japan’s lesser-known spots, or anyone wanting a break from conventional sightseeing.
- Key Points
- Exploring the Mt. Fuji Secret Canyon River Trekking Experience
- The Itinerary and Highlights
- What Activities Are Included?
- Safety and Comfort
- The Value of the Tour
- Reviews Tell the Story
- Practical Tips for Your Trekking Adventure
- Transportation and Meeting Point
- Who Will Love This Tour?
- The Sum Up: Who Should Consider This Experience?
- FAQ
- Our Top Picks in Fujinomiya
- More Tour Reviews in Fujinomiya
- Not for you? Here's more things to do in Fujinomiya we have recnetly reviewed
Key Points

- Accessible for all: Suitable for ages 9 and up, with activities that require no special skills.
- Authentic natural experience: Explore a secret lava canyon and natural pools beneath Mt. Fuji.
- Light adventure: Includes jumping, sliding, and walking, allowing everyone to enjoy without being overly strenuous.
- Professional guidance: Guides are knowledgeable, friendly, and provide safety equipment and support.
- All-in-one package: Price includes guide, equipment, insurance, free photos, and spa tickets for post-activity relaxation.
- Seasonal operation: Tour runs from May to October, avoiding winter months for safety and comfort.
👉 Check out our guide to the 5 Best Guided Tours In Fujinomiya
Exploring the Mt. Fuji Secret Canyon River Trekking Experience
Set amid Honshu’s verdant landscapes, this river trekking tour takes you through a hidden lava canyon at the foot of Mt. Fuji. It’s not just about the activity—it’s about the chance to connect with nature in a very direct way. We’ll guide you through what makes this experience stand out, what to expect, and how to make the most of your day.
You can also read our reviews of more tours and experiences in Fujinomiya.
The Itinerary and Highlights
The adventure begins at Shin-Fuji Station, where you’ll meet your guide in front of the ticket gate exit at 9:00 a.m. The station has a single, easy-to-find exit, which simplifies logistics for travelers arriving by Shinkansen. From there, transportation to the canyon area is typically straightforward — often with a short drive or walk depending on your provider’s setup.
The core of this tour is a 1.6 km round trip river trek, during which you’ll explore a mysterious lava canyon created by volcanic activity. The canyon is a rare, little-known geological marvel, offering a glimpse into the volcanic forces that helped shape Japan’s landscape.
One of the main attractions is a secret waterfall—a hidden gem that only the adventurous get to see. It’s the kind of spot that feels like discovering a private sanctuary with cascading water framed by lush greenery.
What Activities Are Included?
The tour is designed to be accessible and fun. You can expect to swim in crystal-clear pools, walk along the river, and climb lava rocks — all within a safe, guided environment. The activities include jumping from rocks (ranging from 1 to 4 meters), sliding down natural water slides (depending on water levels), and walking through scenic spots that feel more like an outdoor playground than a trail.
According to one enthusiastic reviewer, “The obstacles are something for young and old alike! Everyone has fun here.” The activity’s simplicity means it’s perfect for those who might not typically seek out adventure sports but still want a taste of nature’s thrill.
Safety and Comfort
Guides are attentive and well-trained, providing all necessary river equipment such as helmets, life jackets, and suits. They also take photos during the tour, which are yours to download free of charge afterward — a big plus for capturing memories without the hassle of taking your own waterproof camera.
Post-activity, you can relax at the affiliated spa. The tour includes spa tickets, giving you the chance to wash off the adventure and enjoy a peaceful soak. Changing clothes and storing valuables are easy thanks to access to lockers and facilities at the spa.
More Great Tours NearbyThe Value of the Tour
At $118 per person, the tour offers a well-rounded experience. It covers guides, all necessary equipment, insurance, photos, and spa access—a package that makes it a good value when you consider the unique experience and convenience provided. Compared to other outdoor activities near Mt. Fuji, this activity stands out for its combination of adventure, natural beauty, and family-friendliness.
Reviews Tell the Story
Multiple reviewers praised the organization and guides. Jessica appreciated how Tetsuya “organized everything and took care of everyone,” providing alternatives for different skill levels. Wolfgang called it “a wonderful experience,” noting the guides’ professionalism and the tour’s “truly beautiful and unique experience.” Elisabeth highlighted the excellent communication and clean gear, emphasizing that “everyone has fun here,” regardless of age.
This kind of positive feedback underscores the importance of a well-organized, guided outing—especially when the focus is on safe, enjoyable outdoor activity.
Practical Tips for Your Trekking Adventure

- What to bring: Swimwear and a towel are essential. You’ll want to change into dry clothes after the tour for the spa.
- When to go: The tour runs from May to October. Avoid winter months, as the activity is closed November to April.
- Accessibility: The activity is not suitable for pregnant women, children under 9, or those with health issues like heart problems or epilepsy.
- Weather considerations: The operator reserves the right to cancel in heavy rain or storms, with full refunds. If bad weather strikes, you may be able to reschedule or choose an alternative activity like an E-bike tour.
Transportation and Meeting Point
Meeting at Shin-Fuji Station is straightforward, and the guide will be waiting at the ticket gate. This setup minimizes stress, especially for first-time visitors. The tour ends back at the same meeting point, making logistics simple.
Who Will Love This Tour?
This trek is ideal for families with children over 9, as it combines gentle outdoor activity with a sense of discovery. It appeals to adventure-curious travelers who want a break from typical sightseeing, leaning into hands-on nature experiences without the need for technical skills. Nature lovers will relish the chance to see a secret canyon that many locals might not even know exists.
Travelers who value professional guides, free photos, and post-activity relaxation in a spa will find this package highly satisfying. It’s a perfect day-trip activity that balances fun, safety, and scenic beauty.
The Sum Up: Who Should Consider This Experience?
If you’re eager to see a hidden volcanic canyon, enjoy light adventure, and relax afterward in a peaceful spa, this tour hits the sweet spot. It offers excellent value with inclusive features like guides, equipment, photos, and spa access, making it a hassle-free way to spend a day near Mt. Fuji.
It’s best suited for families, nature enthusiasts, and those curious about Japan’s volcanic history. Although not for the very young, pregnant women, or those with certain health conditions, the activity remains accessible and engaging for most fit, water-loving travelers.
This tour delivers a genuine taste of Japan’s volcanic landscapes combined with a sense of adventure—an authentic experience that provides both physical activity and serenity in equal measure.
Shizuoka : Mt Fuji Secret Canyon River Trekking
“Hard to rate this specific activity. It rained a lot the week of making the river trek dangerous. Instead our guide Tetsuya took us to 2 waterfalls…”
FAQ

Is this activity suitable for children?
Yes, children aged 9 and above can participate. The activities are designed to be simple, safe, and fun for young participants.
What should I bring?
You should bring swimwear and a towel. Changing clothes and lockers are available at the affiliated spa facilities.
Can I do this activity during winter?
No, the tour operates from May to October. During winter months, you might want to consider an alternative like an E-bike cycling tour.
What happens if the weather is bad?
Tours may be canceled due to heavy rain, storms, or bad weather, with a full refund. You can also possibly change to another program if conditions prevent the trek.
Do I need special skills or experience?
No, activities are straightforward—walking, swimming, climbing—and guided by professionals ensuring safety for all levels.
Where do I meet the guide?
The meeting point is in front of the ticket gate exit at Shin-Fuji Station, a single, easy-to-find spot that makes logistics simple.
Whether you’re chasing adventure, seeking a scenic escape, or just want to try something different near Mt. Fuji, this Secret Canyon River Trekking offers an authentic, well-organized outdoor experience sure to leave lasting memories.
You can check availability for your dates here:





















