Mt. Gassan
Day HikeTohoku(Yamagata)
ModerateDistance
8.5 km
Elevation Gain
600m
Max Elevation
1984m
Duration
5h
Tohoku(Yamagata)
ModerateDistance
8.5 km
Elevation Gain
600m
Max Elevation
1984m
Duration
5h
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One of Dewa Sanzan, sacred peak in Yamagata with alpine marshes.
Mt. Gassan (1,984m) is one of the Three Sacred Mountains of Dewa (Dewa Sanzan) in Yamagata Prefecture, revered in Shugendo mountain worship for over 1,400 years. The gentle, grassy summit plateau is blanketed with alpine wildflowers in summer, including the rare gassan-furo geranium. Deep snow covers the mountain well into summer, providing Japan's latest skiing season alongside ancient pilgrimage trails.
July to October, summer alpine flowers
One of the Three Sacred Mountains of Dewa; Alpine flower meadows in summer; Gassan Shrine at the summit; Deep snow fields into summer; Ancient Shugendo pilgrimage routes
Take the JR Uetsu Line to Tsuruoka Station, then a bus to Gassan 8th Station (about 2 hours, summer only). The Gassan Ski Lift operates from the 8th Station. By car, use the Yamagata Expressway to Gassan IC.
Snow fields persist into July—gaiters and trekking poles recommended. The summit shrine closes in winter. Weather is highly changeable with sudden fog. The trail from the 8th Station crosses exposed ridgelines. Bears are present in forested areas. Access road closes from November to late June.
Mt. Gassan is rated as moderate difficulty.
Mt. Gassan is 8.5 km long.
The elevation gain on Mt. Gassan is 600 meters.
Hiking Mt. Gassan typically takes about 5 hours.
The best season to hike Mt. Gassan is July to October, summer alpine flowers.
Mt. Gassan is located in Yamagata, Tohoku region of Japan.
Mt. Gassan is a day_hike trail.
Warnings for Mt. Gassan: Snow fields persist into July—gaiters and trekking poles recommended. The summit shrine closes in winter. Weather is highly changeable with sudden fog. The trail from the 8th Station crosses exposed ridgelines. Bears are present in forested areas. Access road closes from November to late June..
Access information for Mt. Gassan: Take the JR Uetsu Line to Tsuruoka Station, then a bus to Gassan 8th Station (about 2 hours, summer only). The Gassan Ski Lift operates from the 8th Station. By car, use the Yamagata Expressway to Gassan IC..
The maximum elevation on Mt. Gassan is 1984 meters.
Mt. Gassan is rated moderate, making it accessible for hikers of that level.
For Mt. Gassan, proper hiking shoes and weather-appropriate clothing are recommended. Check warnings: Snow fields persist into July—gaiters and trekking poles recommended. The summit shrine closes in winter. Weather is highly changeable with sudden fog. The trail from the 8th Station crosses exposed ridgelines. Bears are present in forested areas. Access road closes from November to late June..
Highlights of Mt. Gassan include: One of the Three Sacred Mountains of Dewa; Alpine flower meadows in summer; Gassan Shrine at the summit; Deep snow fields into summer; Ancient Shugendo pilgrimage routes.
Access to Mt. Gassan: Take the JR Uetsu Line to Tsuruoka Station, then a bus to Gassan 8th Station (about 2 hours, summer only). The Gassan Ski Lift operates from the 8th Station. By car, use the Yamagata Expressway to Gassan IC..
The best season for Mt. Gassan is July to October, summer alpine flowers. Check conditions before hiking in winter.