Southern Japanese Alps Hakuhou Valley (Yamanashi Prefecture) Complete Guide|Autumn Foliage, Access, and Attractions Thoroughly Explained
What is Hakuhou Valley?
Hakuhou Valley (白鳳渓谷) is one of Japan’s premier mountain valleys, located within the Southern Japanese Alps National Park in Minami-Alps City, Yamanashi Prefecture. Formed by the Hayakawa River, a tributary of the Fuji River, and its upstream Norogawa River, this valley is also known by the alternative name “Norogawa Valley (野呂川渓谷)”.
Located between Shirane Sanzan and Hoou Sanzan, two representative mountain ranges of the Southern Alps, the valley’s name was derived by taking one character from each mountain region. The pristine waters sourced from Shirane Sanzan, headed by Mt. Kitadake at 3,193 meters elevation, have carved deep valleys over long periods, forming a precious natural environment with abundant virgin forests.
A 34.1-kilometer Southern Alps Forest Road runs along the valley, and beyond the Yashajin Tunnel, the majestic main peaks of the Southern Alps come into view. Particularly during autumn foliage season, the entire valley turns into a tapestry of colors, creating a breathtaking landscape through the contrast with snow-capped Mt. Kitadake.
Attractions in Hakuhou Valley
Magnificent Valley Scenery
The greatest charm of Hakuhou Valley is undoubtedly its overwhelming sense of scale. The V-shaped valley carved by the Norogawa River runs deep, and the scenery created by the elevation differences with the surrounding 3,000-meter-class peaks truly deserves the word “majestic”.
From the Southern Alps Forest Road running along the valley, you can enjoy the constantly changing expressions of the valley. In spring, vibrant green covers the mountainside, while in autumn foliage season, warm-colored carpets of red and yellow enchant visitors.
Views from Yashajin Tunnel
The 752-meter-long Yashajin Tunnel is a highlight of Hakuhou Valley sightseeing. The moment you exit this tunnel, a magnificent panorama of Shirane Sanzan spreads before you. Mt. Kitadake (3,193m), Mt. Maanodake (3,190m), and Mt. Notoritoritake (3,026m), representative high peaks of Japan arrayed like a folding screen, are truly spectacular.
On clear days especially, white rock faces and snow fields gleam against the blue sky, leaving visitors speechless at their imposing presence. Beyond the tunnel is a viewing space that has become a popular photography spot.
Spectacular Views from the Suspension Bridge
The suspension bridge spanning the valley is a best-view spot that attracts many tourists. From the bridge, you can see the clear waters of the Norogawa River flowing below, virgin forests coloring both banks, and the distant peaks of the Southern Alps stretching across the horizon.
Particularly during autumn foliage season, you are surrounded by colorful leaves from your feet to the horizon, creating a sensation of being within a painting. Combined with the characteristic swaying of the suspension bridge, this popular spot offers both thrills and spectacular scenery.
Primeval Forest Nature
Hakuhou Valley retains extensive primeval forests with minimal human intervention. Deciduous broadleaf forests of beech, Mongolian oak, maple, and Japanese rowan create a rich woodland, displaying different faces throughout the seasons.
In the forest, you may encounter wild animals such as Japanese serows and Japanese black bears, as well as alpine birds like accentors and spotted nutcrackers. The clear streams are home to char and mountain trout, maintaining a rich ecosystem.
Hakuhou Valley as a Famous Autumn Foliage Destination
Best Time for Autumn Foliage
Hakuhou Valley’s autumn foliage typically peaks from early October through early November. Due to elevation differences, the progression of foliage varies by location, allowing visitors to enjoy autumn colors over an extended period.
In early October, foliage begins around Hirugawara at higher elevations, gradually descending downstream. Mid to late October represents the peak season, when the entire valley displays its most vivid colors. In early November, you can enjoy the contrast of late autumn atmosphere with Mt. Kitadake beginning to don its snow coat.
Types of Autumn Foliage Trees
Hakuhou Valley’s diverse tree species create complex and beautiful color gradations. The main foliage trees are as follows:
Maples: Turn a brilliant red, adding brilliance to the valley. Multiple varieties including Acer palmatum, Acer pictum, and Acer japonicum are native here.
Japanese Rowan: Distinctive for its bright red leaves and red berries that stand out beautifully against blue skies.
Beech: Golden-glowing leaves illuminate the entire forest, creating a warm landscape.
Birch: The contrast between white bark and yellow leaves is beautiful, evoking a high-altitude atmosphere.
Mongolian Oak: Leaves change from tan to reddish-brown, adding depth to the scenery with subdued tones.
The color harmony created by these trees is truly like a work of art painted by nature.
Ways to Enjoy Autumn Foliage
Here are key points for maximizing enjoyment of Hakuhou Valley’s autumn foliage.
Early morning visits: Foliage illuminated by morning sun is particularly beautiful, and fewer tourists mean you can enjoy the scenery quietly. You may encounter the mystical sight of morning mist covering the valley.
Viewing from bus windows: The bus traveling along the Southern Alps Forest Road offers continuously changing valley views. Seats on the right side of the direction of travel are recommended.
Visit multiple viewpoints: Different angles of foliage can be enjoyed at points like Yashajin Tunnel, the suspension bridge, and Hirugawara. Visit with ample time.
Choose clear days: The contrast between blue sky, foliage, and snowy mountains is most beautiful on clear days. Check weather forecasts before deciding your visit date.
Access and Parking Information
Vehicle Restrictions
The Southern Alps Forest Road leading to Hakuhou Valley implements year-round vehicle restrictions to protect nature and ensure safety. Private vehicles cannot pass beyond Yashajin Gate, so shuttle buses must be used.
Additionally, the Southern Alps Forest Road has a winter closure period, typically from early November through late June of the following year. Specific opening and closing dates vary yearly, so it’s recommended to check in advance with Minami-Alps City Hall or the tourism association.
Public Transportation Access
By train and bus:
- Exit at “Kofu Station” on the JR Chuo Main Line
- Board a Yamanashi Koutsu bus headed to “Hirugawara” from Kofu Station (approximately 2 hours 30 minutes)
- Transfer to a shuttle bus at Shiei Ashiyasu Parking Area
- Arrive at Hirugawara bus stop
Bus operation period: Typically from late June through early November (aligned with Southern Alps Forest Road opening period)
Notes: Weekends during autumn foliage season are extremely crowded, so early reservations and allowing extra time are necessary.
Parking Information
Shiei Ashiyasu Parking Area:
- Location: Asashio Ashikura, Minami-Alps City, Yamanashi Prefecture
- Capacity: Approximately 300 vehicles
- Fee: Free
- Notes: Beyond this point vehicle restrictions apply; shuttle bus transfer is necessary
The Shiei Ashiyasu Parking Area serves as the hub for Hakuhou Valley sightseeing. Park here and transfer to the shuttle bus heading to Hirugawara. During peak foliage season (weekends from mid to late October), the lot may fill early morning, so arriving as early as possible is recommended.
The parking area is equipped with restrooms and shops where you can prepare for hiking or sightseeing.
Approximate Travel Times
- Kofu Station to Shiei Ashiyasu Parking Area: Approximately 50 minutes by car
- Shiei Ashiyasu Parking Area to Hirugawara: Approximately 60 minutes by bus
- To Yashajin Tunnel: Approximately 30 minutes by bus from Shiei Ashiyasu Parking Area
For day-trip sightseeing, allowing at least 6-7 hours total to account for round-trip travel time is recommended. For leisurely hiking and photography, organizing a full-day schedule is suggested.
Sightseeing Spots Around Hakuhou Valley
Hirugawara
Located at the innermost point of Hakuhou Valley, Hirugawara is known as a trailhead for Mt. Kitadake and Mt. Maanodake. Positioned at approximately 1,520 meters elevation and surrounded by 3,000-meter-class mountains, the mountain landscape is spectacular.
At Hirugawara Information Center, information about Southern Alps nature and mountaineering can be obtained. Even non-mountaineers will find the magnificent views of Shirane Sanzan from here impressive.
Yashajin Pass
Accessible in approximately two hours of hiking from Hakuhou Valley, Yashajin Pass (2,629 meters elevation) is a popular grand observation point for the Southern Alps. From the pass, you can see Shirane Sanzan in its entirety up close, and the sight of the mountains bathed in sunrise or sunset light is deeply moving.
Day hiking is possible, but staying at Yashajin Pass Shelter to enjoy the scenery leisurely is also recommended.
Ashiyasu Hot Spring Area
The Ashiyasu district, which serves as a hub for Hakuhou Valley sightseeing, has several hot spring inns. Perfect for relieving fatigue from valley exploration or mountaineering, you can also enjoy cuisine prepared with local ingredients.
Day-use bathing facilities are available, so concluding sightseeing with a hot spring soak is an excellent option.
Precautions and Recommended Attire for Visits
Clothing and Equipment
Hakuhou Valley has high elevation and lower temperatures than lowland areas, requiring seasonally appropriate clothing.
Spring to early summer (June-July):
- Long-sleeved shirt and thin fleece or windbreaker
- Warm clothing for chilly mornings and evenings
- Comfortable trekking shoes
Autumn foliage season (October-early November):
- Thick fleece or down jacket
- Gloves, hat, and other cold-weather gear
- Waterproof outer layer due to possible snow
- Shoes with non-slip soles
Common items to bring:
- Rain gear (essential as weather changes quickly)
- Drinking water and trail snacks
- Camera (for capturing spectacular views)
- Binoculars (useful for wildlife observation)
Safety Precautions
Regarding wildlife: This is bear habitat, so carrying bear bells is recommended. Special caution is needed for early morning or evening activities.
Weather changes: Mountain terrain experiences sudden weather shifts, so check forecasts beforehand and reschedule if bad weather is predicted.
Physical condition: High elevation can cause altitude sickness symptoms. Hydrate frequently and maintain a comfortable pace.
Mobile phone coverage: Many areas within the valley lack cellular signal. Plan your route in advance and inform family or friends of your itinerary.
Photography Spots and Best Timing
Recommended Photography Points
Yashajin Tunnel exit: An excellent point to capture the majestic Shirane Sanzan head-on. Morning side-lighting is optimal for photography.
Valley suspension bridge: A popular spot capturing both foliage and valley beauty in a single frame. Photographing the bridge itself as the subject is also recommended.
Along Southern Alps Forest Road: Photography possible from bus windows, but better results come from exiting at stopping points.
Hirugawara area: Valley scenery with Mt. Kitadake as backdrop is especially beautiful on clear days.
Photography Best Times
Morning hours (6:00-9:00): Sunlit mountains and foliage are beautiful, and morning mist creates an atmospheric ambiance.
Evening hours (15:00-17:00): Afternoon light illuminates foliage in warm tones, creating dramatic photography.
Peak foliage season: Mid to late October offers the most vibrant colors, ideal for photography.
History and Culture of Hakuhou Valley
The area including Hakuhou Valley and surrounding Southern Alps has long been an object of reverence. Shirane Sanzan especially thrived as a training site for ascetic Buddhism practitioners, with many mountain monks traversing the steep paths.
During the Edo period, gold and silver mining occurred in this region, with mine workers traveling the area. Mine ruins from this era remain along Norogawa River, where historical traces can be observed.
The Southern Alps Forest Road opened in 1967 (Showa 42), after which the previously difficult-to-access Hakuhou Valley’s beauty became known to many. Currently, the precious natural environment is protected while balancing nature conservation with tourism.
Contact Information
Minami-Alps City Tourism Association
- Phone: 055-284-4204
- Hours: Weekdays 9:00-17:00
Minami-Alps City Hall Tourism and Commerce Division
- Phone: 055-282-6294
- Address: 376 Ogasawara, Minami-Alps City, Yamanashi Prefecture
Hirugawara Information Center
- Phone: 055-288-2111 (Minami-Alps City Hall Main)
- Open: During Southern Alps Forest Road operation period
Yamanashi Koutsu Bus Reservation Center
- Phone: 055-223-0821
- Hours: 9:00-18:00
Summary
Southern Japanese Alps Hakuhou Valley is a precious location renowned as one of Japan’s premier mountain valleys, boasting magnificent natural scenery and rich ecosystems. Particularly during autumn foliage season, maples, rowan, and beech turn brilliant colors, creating breathtaking landscapes through contrast with snow-capped Mt. Kitadake.
Attractions abound: the majestic Shirane Sanzan emerging beyond Yashajin Tunnel, spectacular views from the valley suspension bridge, and the rich natural environment of remaining primeval forest. The valley’s constantly changing beauty can be enjoyed from bus windows along the Southern Alps Forest Road.
While private vehicle restrictions require using buses from Shiei Ashiyasu Parking Area, this is an important nature conservation measure. Autumn foliage peaks from early October through early November, with mid to late October being the most vibrant period.
When visiting, prepare seasonally appropriate clothing and equipment due to high elevation and low temperatures, and pay attention to weather changes and wildlife. Check Southern Alps Forest Road opening status and bus schedules in advance, planning with ample time.
Hakuhou Valley’s overwhelming natural beauty provides visitors with profound emotion and healing. Please experience Japan’s celebrated mountain landscape firsthand.