Complete Guide to Chausuyama Kogen (Aichi Prefecture) | Seasonal Highlights, Access, and Tourist Information
Chausuyama Kogen is a highland resort centered around Chausuyama (elevation 1,415m), Aichi Prefecture’s highest peak, located in Toyane Village, Kitashitara District, Aichi Prefecture. Positioned on the border between Aichi and Nagata prefectures, it attracts numerous visitors year-round as a tourist destination offering beautiful natural scenery and diverse activities throughout the four seasons.
This article provides comprehensive information about the attractions of Chausuyama Kogen and explains details useful for planning a visit.
Basic Information About Chausuyama Kogen
Chausuyama Kogen is a highland area with an elevation of over 1,000m located in the innermost part of Aichi Prefecture in the Oku-Mikawa region. Positioned on the border between Aichi and Nagano prefectures, the area centered around Chausuyama (Aichi side) and Hagitaro Mountain (Nagano side) forms the tourism area.
Location and Basic Data
- Location: Sakaukenoyama Goshohira 70-185, Toyane Village, Kitashitara District, Aichi Prefecture
- Elevation: Chausuyama peak 1,415m, highland area approximately 1,000-1,200m
- Area: Approximately 100 hectares
- Average Annual Temperature: Approximately 8°C (about 8°C lower than Nagoya City)
- Management: Chausuyama Kogen Association
Chausuyama Kogen was developed as a full-fledged highland resort, rare in Aichi Prefecture, and has been developed as a tourist destination since the 1970s. Currently, it operates as “Chausuyama Kogen” with facilities including a ski resort, campground, and restaurant house.
Four-Season Attractions of Chausuyama Kogen
The greatest attraction of Chausuyama Kogen is its rich nature displaying different faces throughout the seasons. Due to its high elevation, visitors can enjoy climate and vegetation different from lowland areas.
Spring (April-June): Carpet of Moss Phlox
The spring highlight of Chausuyama Kogen is the moss phlox mass colony. Approximately 400,000 moss phlox plants are planted on the “Moss Phlox Hill,” with peak bloom typically occurring from mid-May through early June.
Moss Phlox Festival
The “Chausuyama Kogen Moss Phlox Festival” is held annually from mid-May through early June. During this period:
- Area: Approximately 2.2 hectares of hillside covered in pink
- Varieties: 6 types of moss phlox (Scarlet Frame, Okaington Blue Eye, Little Dot, etc.)
- Peak Viewing: Around May 20th in typical years
- Admission: Charged during festival period (approximately 500 yen for adults)
- Hours: 8:30-18:00 (varies by period)
From the moss phlox hill, on clear days you can see the Southern and Central Alps, providing spectacular views of flowers and mountains.
Spring Fresh Greenery
During moss phlox season, surrounding forests are dressed in fresh green. Deciduous broadleaf trees like beech and Mizunara burst into leaf, spreading refreshing green. Temperatures of around 15-20°C make it ideal hiking weather.
Summer (July-August): Highland Cool and Greenery
Summer at Chausuyama Kogen is popular as a summer refuge thanks to its high elevation.
Cool Climate
- Average Temperature: Approximately 20-25°C (5-8°C cooler than lowlands)
- Mornings/Evenings: Can drop to around 15°C, requiring a layer
- Humidity: Lower than lowlands, creating a crisp, refreshing atmosphere
Summer Activities
- Hiking and Trekking
- Hiking trail to Chausuyama peak (approximately 40 minutes one way)
- Traverse course to Hagitaro Mountain
- Walking paths within the highland
- Camping
- Chausuyama Kogen Campground No. 1
- Chausuyama Kogen Campground No. 2
- Auto campsite and bungalow facilities included
- Stargazing
- High elevation and clear air provide spectacular starry skies
- Ideal for observing the Milky Way and meteor showers
- Sightseeing Lift
- Operates in summer (mainly weekends)
- Enjoy highland scenery from an aerial perspective
Autumn (September-November): Renowned Autumn Foliage Spot
Chausuyama Kogen is known as one of Aichi Prefecture’s finest autumn foliage destinations.
Foliage Season and Characteristics
- Peak Time: Typically early October through late October
- Earliest in Prefecture: Due to high elevation, foliage appears earliest in Aichi
- Primary Species: Beech, Nanakamado, Mizunara, Maple varieties
- Colors: Brilliant gradients of red, yellow, and orange
Autumn Foliage Viewing Spots
- Chausuyama Peak Area
- 360-degree panoramic views with foliage
- Southern and Central Alps mountains provide backdrop for foliage
- Along Sightseeing Lift
- Enjoy foliage spread below while riding the lift
- Aerial foliage viewing is spectacular
- Walking Paths in Highland
- Experience walking through foliage tunnels
- Stroll through carpet of fallen leaves
- Yahazu Pond Area
- Beautiful reflection of foliage on water surface
- Stunning contrast between calm pond and foliage
Foliage Season Crowding
Peak foliage time (mid-October weekends) is very crowded. Parking lots often fill by late morning. Early morning visits are recommended. Weekdays are relatively quiet, allowing leisurely foliage viewing.
Winter (December-March): Ski Resort and Winter Sports
Winter at Chausuyama Kogen attracts many skiing and snowboarding enthusiasts as Aichi Prefecture’s only ski resort.
Chausuyama Kogen Ski Resort
Operating Period: Typically late December through mid-March (varies by snow conditions)
Course Composition:
- Total Area: Approximately 20 hectares
- Number of Courses: 5
- Longest Run: Approximately 1,200m
- Maximum Gradient: 25 degrees
- Lifts: 2 pair lifts, 1 family lift
Courses by Level:
- Beginner Courses: 2 (gentle slopes for practice)
- Intermediate Courses: 2 (moderate challenge)
- Advanced Course: 1 (maximum 25-degree gradient for challenge)
Facilities and Services:
- Rentals: Skis, snowboards, complete outfits
- Lessons: Skiing and snowboarding (reservation required)
- Kids Park: Sledding and snow play area
- Restaurant: Warm meals available
Snow Quality and Conditions
Chausuyama Kogen’s high elevation and cold temperatures provide quality powder snow. Artificial snow-making equipment ensures skiing even in light natural snow periods.
- Average Snowfall: 50-100cm
- Snow Quality: Powder snow (dry, light snow)
- Temperature: Approximately -5°C to 5°C
Other Winter Sports
- Snowshoes: Snowshoe hiking across snow fields
- Snow Play: Sledding and snowman building at Kids Park
- Winter Mountaineering: Winter climbing to Chausuyama peak (equipment and experience required)
Access to Chausuyama Kogen
Chausuyama Kogen is located in a mountainous area, requiring careful access planning. Public transportation is limited, with private vehicles being the primary means of access.
Private Vehicle Access
From Nagoya Area
Route 1: Via Saru Bridge Green Road (approximately 2 hours 30 minutes)
- From Nagoya City to Tomei Expressway “Nagoya IC”
- Exit at “Chikaraishi IC” on Saru Bridge Green Road
- Head north on National Route 153
- Access Chausuyama Kogen via National Route 257 and Prefectural Route 507
Route 2: Via Enshushinshoku Expressway (approximately 2 hours)
- Exit at “Shinshiro IC” on Shin-Tomei Expressway
- Take Enshushinshoku Expressway to “Horaiyokyo IC”
- Access Chausuyama Kogen via National Route 151 and Prefectural Route 507
From Tokyo Area
Via Chuo Expressway (approximately 3 hours 30 minutes)
- Exit at “Iida IC” on Chuo Expressway
- Head south on National Route 153
- Access Chausuyama Kogen via Prefectural Route 46
From Osaka Area
Via Tomei and Shin-Tomei Expressways (approximately 3 hours 30 minutes)
- Take Shin-Tomei Expressway to “Shinshiro IC”
- Take Enshushinshoku Expressway to “Horaiyokyo IC”
- Access Chausuyama Kogen via National Route 151 and Prefectural Route 507
Parking Information
- Capacity: Approximately 1,000 vehicles
- Parking Fee: Free (may be charged during moss phlox festival period)
- Large Vehicles: Parking available (verify in advance)
Notes:
- Winter (December-March) requires studded tires or chains due to snow/ice
- Fog frequently develops, so watch for poor visibility
- No gas stations in the highland, so fuel up in advance
- Set navigation to “Chausuyama Kogen” or phone number “0536-87-2345”
Public Transportation Access
Public transportation access is limited, but the following options are available.
From Toyohashi Station by Bus
Temporary Bus During Moss Phlox Festival
- Operating Period: Weekends and holidays during moss phlox festival period only
- Departure Point: JR and Meitetsu “Toyohashi Station”
- Travel Time: Approximately 2 hours 30 minutes
- Fare: Approximately 3,000 yen round trip (varies yearly)
- Reservation: Required (Toyohashi Bus)
Regular Route Buses (Off-Season)
No direct buses to Chausuyama Kogen operate in regular season. Alternative:
- Take Toyohashi Bus from Toyohashi Station to “Honnagashino” or “Yutani Onsen”
- Take taxi from there to Chausuyama Kogen (approximately 40 minutes, approximately 8,000 yen)
Taxi
- From Toyohashi Station: Approximately 1.5 hours, approximately 20,000 yen
- From Iida Station: Approximately 1 hour, approximately 15,000 yen
Due to inconvenient public transportation, rental car is recommended.
Main Facilities and Activities at Chausuyama Kogen
Chausuyama Kogen Restaurant House “Yahazu”
The central facility offers dining, rest areas, and souvenir shopping.
Hours: 9:00-17:00 (varies by season)
Restaurant:
- Set meals and rice bowls using local ingredients
- Popular Menu: Goheimochi, miso cutlet rice bowl, mountain vegetable soba
- Light Meals: Curry rice, ramen, udon
Shop:
- Local specialty products (goheimochi, miso, pickles, etc.)
- Original merchandise
- Some mountaineering equipment available
Sightseeing Lift
Experience Chausuyama Kogen’s scenery from the air via this sightseeing lift.
Operating Period:
- Spring to Autumn: Moss phlox festival period, foliage season, summer weekends/holidays
- Winter: Daily during ski resort season
Fare:
- Adults (middle school and above): Round trip 800 yen, one way 500 yen
- Children (elementary): Round trip 500 yen, one way 300 yen
- Preschool: Free
Travel Time: Approximately 15 minutes one way
Highlights: Moss phlox and foliage spread below, distant views of Southern Alps peaks
Campgrounds
Two campgrounds are located at Chausuyama Kogen.
Chausuyama Kogen Campground No. 1
Operating Period: Late April through late October
Sites:
- Auto campsite: Approximately 30 plots
- Free site: Approximately 50 tents
- Bungalows: 10 buildings
Rates:
- Auto site: 4,000 yen/night
- Free site: 2,000 yen/night
- Bungalow: 8,000 yen/night and up
Facilities:
- Cooking facilities, restrooms, showers complete
- Rental equipment available (tents, sleeping bags, etc.)
Chausuyama Kogen Campground No. 2
Operating Period: July through September
Sites:
- Free site primarily
- More natural environment
Reservations: Both campgrounds require advance booking (Chausuyama Kogen Association)
Hiking and Mountaineering Courses
Chausuyama Peak Course (Beginner)
- Distance: Approximately 1.5km one way
- Travel Time: 40 minutes to 1 hour one way
- Elevation Gain: Approximately 200m
- Difficulty: Beginner (maintained trail)
- Highlights: 360-degree panoramic view from peak
Hagitaro Mountain Traverse Course (Intermediate)
- Distance: Approximately 4km (Chausuyama to Hagitaro)
- Travel Time: 2-3 hours
- Elevation Gain: Approximately 300m
- Difficulty: Intermediate (some steep sections)
- Highlights: Ridge walking, Southern Alps views
Highland Walking Course (Beginner)
- Distance: Approximately 2km
- Travel Time: 1 hour
- Elevation Gain: Nearly flat
- Difficulty: Beginner (paved paths and walkways)
- Highlights: Yahazu Pond, Moss Phlox Hill, highland forest
Other Activities
Ground Golf
- Operating Period: April through November
- Fee: 300 yen/round
- Course: 8 holes
- Equipment: Rental available
Mountain Biking
- Operating Period: Summer (July-September)
- Rental: Available (advance reservation required)
- Course: Forest roads in highland
Tourist Spots Around Chausuyama Kogen
Nearby tourist attractions worth visiting when at Chausuyama Kogen.
Toyane Village Tourist Spots
Yahazu Dam (Yahazu Pond)
A reservoir lake near Chausuyama Kogen.
- Characteristic: Beautiful emerald-green lake surface
- Highlights: Four-season scenery, especially beautiful autumn foliage
- Activity: Fishing (fishing license required)
Chausuyama Natural Botanical Garden
- Location: Within Chausuyama Kogen
- Characteristic: Alpine plants and wild flowers observable
- Peak Season: May-September
- Admission: Free
Shitara Town Tourist Spots
Menoki Garden Area
- Distance: Approximately 30 minutes by car from Chausuyama Kogen
- Characteristic: Beech primeval forest, autumn foliage famous spot
- Hiking: Walking trails maintained
Toei Town Tourist Spots
Toei Onsen
- Distance: Approximately 40 minutes by car from Chausuyama Kogen
- Spring Type: Alkaline simple hot spring
- Facility: Day-visit bathing available
Shinshiro City Tourist Spots
Yutani Onsen
- Distance: Approximately 50 minutes by car from Chausuyama Kogen
- Characteristic: Historic hot spring town, scenic Uren River setting
- Accommodation: Multiple inns and hotels
Horaiji Mountain
- Distance: Approximately 1 hour by car from Chausuyama Kogen
- Characteristic: National scenic spot, Horaiji Temple, stone steps (1,425 steps)
- Foliage: Mid-November peak
Tourist Spots on Nagano Side
Achi Village (Hinokuni Onsen)
- Distance: Approximately 40 minutes by car from Chausuyama Kogen
- Characteristic: Famous as “Star Village,” hot spring resort
- Highlights: Star Village Achi, Heavens Sonoharai
Hiratani Village
- Distance: Approximately 20 minutes by car from Chausuyama Kogen
- Characteristic: Nagano Prefecture’s smallest village, rich nature
- Activity: Sunflower fields (summer), ski resort (winter)
Accommodations Around Chausuyama Kogen
Various types of accommodation are available around Chausuyama Kogen.
Accommodations in Chausuyama Kogen
Chausuyama Kogen Lodge
- Type: Public lodging
- Rooms: Japanese and Western style
- Rate: 8,000 yen and up per night, 2 meals included
- Feature: Budget-friendly, located in highland center
Toyane Village Accommodations
Toyane Village Green Port Miyajima
- Distance: Approximately 15 minutes by car from Chausuyama Kogen
- Type: Hot spring lodging facility
- Rate: 10,000 yen and up per night, 2 meals included
- Hot Spring: Toyane Onsen
Shitara Town Accommodations
Kiyosaki Onsen
- Distance: Approximately 30 minutes by car from Chausuyama Kogen
- Type: Hot spring inn
- Rate: 12,000 yen and up per night, 2 meals included
Shinshiro City Accommodations
Yutani Onsen Inns
- Distance: Approximately 50 minutes by car from Chausuyama Kogen
- Number of Facilities: Approximately 10
- Rate: 10,000-20,000 yen per night, 2 meals included
- Feature: Historic hot spring town, canyon scenery
Accommodations on Nagano Side
Hinokuni Onsen Resort
- Distance: Approximately 40 minutes by car from Chausuyama Kogen
- Number of Facilities: Approximately 20
- Rate: 12,000-30,000 yen per night, 2 meals included
- Feature: Diverse from large hotels to small inns
Campgrounds and Bungalows
In addition to Chausuyama Kogen Campground mentioned above, multiple campgrounds exist nearby.
Tips for Enjoying Chausuyama Kogen
Clothing and Gear
Spring and Autumn
- Clothing: Long-sleeved shirt, fleece, wind breaker
- Temperature: 10-20°C (early morning/evening can drop below 5°C)
- Gear: Hat, sunscreen, rain gear
Summer
- Clothing: T-shirt, long-sleeved shirt (layering piece)
- Temperature: 20-25°C (early morning/evening around 15°C)
- Gear: Hat, sunscreen, insect repellent, rain gear
Winter
- Clothing: Ski wear or cold-weather clothing, gloves, hat
- Temperature: -5 to 5°C
- Gear: Hand warmers, ski and snowboard equipment (rentals available)
Common for Hiking and Trekking
- Footwear: Trekking shoes or sneakers (non-slip)
- Gear: Water, snacks, map, mobile phone, first aid kit
Best Season
Recommended Times by Purpose:
- Moss Phlox: Mid-May through early June
- Summer Refuge and Hiking: July-August
- Autumn Foliage: Early October through late October
- Skiing and Snowboarding: January-February (stable snow period)
- Stargazing: July-September (high clear-sky probability)
Avoiding Crowds
- Weekday Visits: Significantly quieter than weekends/holidays
- Early Morning: Especially during foliage season, arrival before 8am recommended
- Off-Season: Late June-early July, November relatively quiet
Weather and Meteorological Information
Chausuyama Kogen is in mountainous terrain where weather changes quickly.
- Advance Check: Verify Meteorological Agency forecasts and Chausuyama Kogen official site information
- Fog: Spring and autumn prone to fog (especially early morning)
- Lightning: Summer may see afternoon thunderstorms
- Snow: Winter requires snow/ice precautions
Photography Tips
Moss Phlox
- Time: Morning front lighting beautiful
- Composition: Wide-angle with entire hill, macro photography
- Points: Blue sky contrast, Southern Alps backdrop
Autumn Foliage
- Time: Morning side light, evening back light
- Composition: Close-up foliage, entire mountain foliage
- Points: Reflection in Yahazu Pond
Starry Sky
- Time: 1 hour after sunset
- Settings: Tripod essential, long exposure (15-30 seconds), ISO 1600-3200
- Points: Milky Way, star trails
History and Culture of Chausuyama Kogen
Origin of Name
The name “Chausuyama” is said to derive from the mountain’s shape resembling a tea grinder (chausui, a device for grinding tea leaves). Alternatively, some say the name came from the mountain’s summit rocks appearing brownish-colored.
Development History
Tourism development of Chausuyama Kogen began in the 1970s.
- 1972: Chausuyama Kogen Ski Resort opened
- 1980s: Restaurant house, campground facility development
- 2000: Moss phlox planting began
- 2009: Moss Phlox Festival launched
- Present: Developed as year-round highland resort
About Toyane Village
Toyane Village, home to Chausuyama Kogen, is Aichi Prefecture’s least-populated village (approximately 1,000 residents). Approximately 90% of village area is forested, blessed with rich nature. Primary industries are forestry, agriculture, and tourism, with recent focus on tourism centered on Chausuyama Kogen.
Nature and Ecosystem of Chausuyama Kogen
Vegetation
Chausuyama Kogen is positioned in the cool temperate zone above 1,000m elevation, displaying unique vegetation.
Trees
- Beech: Representative highland tree, autumn yellowing beautiful
- Mizunara: Acorn tree, autumn color yellowish-brown
- Maple Species: Japanese maple, cutleaf maple, etc., vivid autumn colors
- Silver Birch: Distinctive white bark
- Darkeana Birch: Found in areas closer to alpine zone
Flowers
- Moss Phlox: Spring representative, artificially planted
- Japanese Bistorta: Yellow flowers bloom in early summer
- Gentian: Blue-purple flowers bloom in autumn
- Spiranthes: Autumn prairie flowers
Animals
Diverse wildlife inhabits areas around Chausuyama Kogen.
Mammals
- Japanese Deer: May be encountered early morning/evening
- Japanese Serow: Special natural monument, rare sightings
- Japanese Macaque: Travel in groups
- Badger, Fox: Nocturnal
- Asiatic Black Bear: Present, caution required
Birds
- Cuckoo: Summer bird with distinctive call
- Nightingale: Announces spring arrival
- Great Spotted Woodpecker: Woodpecker family
- Northern Goshawk: Raptor
Insects
- Papilio: Spring butterfly called “goddess of spring”
- Large Purple Emperor: National butterfly
- Fireflies: Summer nights illuminate
Nature Conservation
Chausuyama Kogen’s natural environment is precious to Aichi Prefecture, with protection efforts ongoing. Visitors should follow these rules:
- Take Trash Away: Don’t discard trash except in designated bins
- No Plant Collection: Don’t pick alpine or wild flowers
- No Animal Feeding: Don’t disrupt wildlife ecosystem
- Stay on Designated Routes: Protect vegetation
- Fires in Designated Areas Only: Fire prevention
Chausuyama Kogen Fee and Operating Information
Admission Fee
Regular Period (outside moss phlox festival): Free
Moss Phlox Festival Period:
- Adults (middle school and above): 500 yen
- Elementary School: 200 yen
- Preschool: Free
Sightseeing Lift Fares
Round Trip:
- Adults: 800 yen
- Children: 500 yen
One Way:
- Adults: 500 yen
- Children: 300 yen
Ski Resort Fees (Winter)
Lift Tickets:
- Full Day (Adults): 3,500 yen
- Full Day (Children): 2,500 yen
- Half Day (Adults): 2,500 yen
- Half Day (Children): 2,000 yen
Rentals:
- Ski Set: 3,500 yen
- Snowboard Set: 3,500 yen
- Wear: 3,000 yen
Operating Hours
Restaurant House: 9:00-17:00 (varies by season)
Sightseeing Lift:
- Weekdays: 10:00-16:00
- Weekends/Holidays: 9:00-16:30
Ski Resort: 8:30-16:30 (no night operation)
Closed Days
Regular Period: Open year-round (varies by facility)
Winter: Closed days vary by snow conditions
Inquiries
Chausuyama Kogen Association:
- Phone: 0536-87-2345
- Address: Sakaukenoyama Goshohira 70-185, Toyane Village, Kitashitara District, Aichi Prefecture
- Official Site: Verify latest information on official site
Conclusion: Fully Experience Chausuyama Kogen’s Charms
Chausuyama Kogen is a highland resort packed with four-season attractions centered around Aichi Prefecture’s highest mountain. Spring moss phlox, summer cool and greenery, autumn foliage, and winter skiing offer different enjoyment throughout the year.
While just 2.5 hours by car from Nagoya, this precious spot offers nature and scenery unique to highlands above 1,000m elevation. Though day visits are sufficient, staying at nearby hot springs for leisurely enjoyment is also recommended.
Chausuyama Kogen offers authentic highland experiences rare within Aichi Prefecture. Please visit and experience beautiful nature throughout the seasons, refreshing body and mind. For first-time and returning visitors alike, new discoveries and inspiration certainly await.
Before visiting, check the official website for latest information and watch weather and road conditions for a safe and enjoyable trip.
