Aizu Numajiri Highlands Extreme Onsen

Discover a unique hot spring adventure at Aizu Numajiri Highlands, where you'll visit the powerful Numajiri Onsen, located halfway up Mount Adatara. Known for having the highest hot spring output in Japan, this area offers a natural open-air bath right in the middle of the wilderness. As you hike along scenic trails, you'll enjoy stunning views of Shiraito Falls and the ridges of Mount Adatara. During the tour, take a break with a special Nowhere Original Coffee for a refreshing pause.

After your exploration, you have the option to relax further with a day-use bath at Numajiri Kogen Lodge (additional fee applies). The untouched landscape, shaped by the forces of nature, creates a truly one-of-a-kind experience. Bathing in these natural hot springs, surrounded by the beauty of the valley, offers a deep sense of relaxation and escape.

Tour Highlights

• Explore the powerful Numajiri Onsen on Mount Adatara

• Enjoy scenic views of Shiraito Falls and mountain ridges

• Experience a wild open-air bath in a natural setting

• Refresh with Nowhere Original Coffee during the tour

• Optional day-use bath at Numajiri Kogen Lodge

What’s Covered

• Insurance

• Guide fee

• Helmet

What’s Extra

• Day-use bath at Numajiri Kogen Lodge

• Meals

• Personal expenses

Meeting point

Numajiri Kogen Lodge / Café & Activity Nowhere

〒969-2752 Fukushima, Yama District, Inawashiro, Kogai, Numajiriyamako−2864, 969-2752 Inawashiro, Japan

Essentials to Know Before Booking

• Wear suitable hiking attire, including boots, a hat, and a backpack.

• Bring enough drinks to stay hydrated during the hike.

• Pack towels for use both during the hike and after the hot spring bath.

• A swimsuit is necessary if you plan to soak in the hot spring.

• Gloves and hiking poles can enhance your comfort and safety on the trail.

Tour Itinerary

Arrival and Reception

Duration: 10 minutes

Begin your adventure by checking in at Numajiri Kogen Lodge / Café & Activity Nowhere. Here, you'll meet your guide and receive any necessary equipment for the tour.

Transfer to Trailhead

Duration: 10 minutes

After getting ready, enjoy a short car ride to the trailhead on Mount Adatara. This brief drive sets the stage for your hiking adventure.

Hike to Shiraito Falls and Numajiri Motoyu

Duration: 1 hour

Set off on a scenic hike from the trailhead, where you'll pass through lush landscapes on your way to the stunning Shiraito Falls and the powerful Numajiri Motoyu. The trail offers breathtaking views and a close connection with nature.

Extreme Onsen Experience

Duration: 1 hour

Arrive at the natural hot springs and enjoy a unique open-air bath. Soak in the revitalizing waters while surrounded by untouched wilderness, making for a truly memorable experience.

Descent and Return

Duration: 40 minutes

After your onsen experience, descend back to the trailhead, retracing your steps through the beautiful scenery. Once you reach the trailhead, you’ll be driven back to Numajiri Kogen Lodge / Café & Activity Nowhere, where your tour concludes.

Related Read: Top 10 Must-Visit Hiking Trails & Mountain Ranges in Japan