A tranquil stream sparkles through sun-dappled woods, flowing clearly between moss-covered rocks—this is Oirase Stream in Aomori Prefecture. Known as one of Japan’s most beautiful valley trails, it captivates visitors especially during the autumn foliage season. Walking along the path, you’ll feel immersed in nature, surrounded by waterfalls, clear streams, and the breath of the forest.
This article introduces the highlights of Oirase Stream, suggested walking routes, and helpful access tips—ideal for solo travelers or those visiting Japan for the first time. A Q&A section is also included to ease concerns and answer common questions.
We hope this guide helps you experience the full charm of Oirase Stream and consider it as your next travel destination.
How to Get to Oirase Stream: First-Time Tip
Check the latest weather forecast before your visit: [weathernews]
By Train
Tokyo Station
- Take the Tohoku Shinkansen “Hayabusa” to Hachinohe Station (approx. 3 hrs)
- From Hachinohe Station, take the JR Bus Tohoku bound for Yakeyama and get off at Ishigedo bus stop (approx. 1 hr 10 min)
- Total travel time: approx. 4 hrs 20 min
Sendai Station
- Take the Tohoku Shinkansen to Hachinohe Station (approx. 1 hr 40 min)
- From Hachinohe Station, take the JR Bus Tohoku bound for Yakeyama and get off at Ishigedo bus stop (approx. 1 hr 10 min)
- Total travel time: approx. 3 hrs
Shin-Aomori Station
- Take the JR Ou Line to Aomori Station (approx. 5 min)
- From Aomori Station, take the JR Bus Tohoku bound for Towadako and get off at Ishigedo bus stop (approx. 2 hrs 30 min)
- Total travel time: approx. 2 hrs 40 min
One Point Advice
JR Bus service is limited, so we recommend checking the bus schedule in advance and allowing extra time for transfers.
Visitor Information|Hours, Access & Fees
- Admission: Free (open walking area)
- Hours: Open all day (use caution during early morning and evening hours)
- Closed: None (some areas may be restricted during winter)
- Official Travel Guide: https://www.towada.travel/en
Oirase Stream Highlights & Walking Route

Ishigedo Rest Area|Start of Oirase Trail
The best place to begin your Oirase Stream walk is the Ishigedo Rest Area. This wooden facility by the stream offers maps and local information, helping you prepare for the walk ahead. A clear stream flows nearby, with gentle sounds of water to calm your senses. The trail from Ishigedo is well maintained and flat, making it ideal for first-time hikers and solo travelers.
- Duration: 15–20 min (including facility visit)
- Admission: Free
Ashura Stream|Best Scenic Spot Along the Trail
A short walk from Ishigedo brings you to Ashura Stream, one of the most scenic and popular spots along the trail. Rushing water and mossy stones create a striking contrast, forming a natural work of art. With each step, the view subtly shifts—making this a scenic highlight and a favorite among photographers, especially international visitors.
- Duration: 15–20 min
- Admission: Free
Choshi Otaki|Main Waterfall of Oirase Stream
Choshi Otaki is the most iconic waterfall along Oirase Stream. This 20-meter-wide, 7-meter-tall waterfall roars down a cliff, sending mist into the air. The sound alone is enough to feel its force. During autumn, the fall is surrounded by red and yellow leaves, creating a magical panorama. It’s a perfect place to end your half-day journey.
- Duration: 20–30 min
- Admission: Free
Nearby Attractions & Day Trips from Oirase

Towadako|Walkable Lakeside Area with Boat Pier
Continue past Choshi Otaki and you’ll reach the Yasumiya area of Lake Towada. This scenic lakeside spot offers walking trails, boat rides, and cafés—ideal for unwinding after your Oirase hike. From the lakeside, the reflection of mountains on the water is breathtaking. With fewer crowds and a quiet atmosphere, it’s a great place to relax.
Yakeyama Onsen|Hot Spring Stop After Oirase Walk
The Yakeyama district, home to the Oirase Stream Museum, is a known hot spring area. Easily accessible by bus from Aomori or Hachinohe, several inns here offer day-use bathing. After a long hike, immersing yourself in a soothing onsen is a perfect way to recover. It’s a rewarding experience well worth the travel.
Hirosaki Castle|Next-Day Trip for History & Nature
For a next-day journey, consider visiting Hirosaki Castle—about 90 minutes by train and bus from Oirase. Famous for cherry blossoms in spring, the site also dazzles with autumn colors and snowy landscapes. The stone walls, keep, and surrounding moat form a serene setting that contrasts beautifully with the wild nature of Oirase. A perfect cultural finale to your trip.
Oirase Stream Q&A|Visitor Tips
- When is the best season to visit Oirase Stream?
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The most popular season is mid to late October for autumn foliage. Early May offers beautiful fresh greenery as well.
- Can I walk Oirase Stream if I’m not good at hiking?
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The section between Ishigedo and Choshi Otaki is mostly flat and easy to walk. Even a short stroll is worth it.
- Is the trail walkable in the rain?
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Yes, the trail is maintained, but waterproof shoes and a raincoat are recommended as it can be slippery.
- Are there good photo spots?
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Choshi Otaki and Ashura Stream are especially popular for photography and loved by international visitors.
- Are there rest areas or toilets along the trail?
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Yes, facilities such as Ishigedo Rest Area and the Oirase Stream Museum have toilets and benches available.
Oirase Stream Recap & What to Do Next

Oirase Stream offers a calming atmosphere filled with nature’s seasonal beauty and the gentle sound of water. Walking among the waterfalls, forest trails, and mountain air is a great way to experience Japan’s natural beauty.
This article has covered everything from how to get there, walking tips, and top scenic spots. We hope it brings reassurance and inspiration beyond what a simple search could provide.
Why not continue your journey with a visit to the breathtaking Lake Towada just ahead?