Tsuruoka, Yamagata / 月山八合目 弥陀ヶ原
Mt. Gassan Midagahara Marsh
A marsh at 1,400 m on the eighth station of Mt. Gassan with more than 130 kinds of alpine flowers, including Nikko day-lilies and skunk cabbage; a boardwalk loop takes about 60 minutes, and a bus runs up from Tsuruoka.

Last official check
25 Sept 2026
Traveler reports
0
Reports open in Phase 2
Next scheduled check
24 Dec 2026
Decide before you go
A short summary made from the official facts below. Check the rows for details.
- Getting there
- Train / Bus
- Closing days
- Has closing days (see below)
Before you go
Only facts we confirmed on official sources are shown. Anything else is listed under “Not yet confirmed”.
- Opening hours
Mt. Gassan's opening festival is held on July 1 each year; conditions may change with the weather.
Checked 25 Sept 2026 on a tourism board site- Closed
The prefectural road to the eighth station (4th to 8th station) closes in winter.
Checked 25 Sept 2026 on a tourism board site- Getting there
About 120 min by bus from JR Tsuruoka Station to Gassan Hachigome, or 90 min by car.
Checked 25 Sept 2026 on a tourism board site- Parking
Parking for 150 cars.
Checked 25 Sept 2026 on a tourism board site- Not yet confirmed
Admission, Payment, Accessibility
we have not confirmed this on an official source yet. Check with the spot before you go.
Found wrong or outdated information? Let us know
Address: Tsuruoka, Yamagata (Japanese address: 山形県鶴岡市羽黒町川代)
Official site: https://yamagatakanko.com/attractions/detail_144.html
Location
Smaller pins are other spots nearby.
Nearby spots
Photo: Photo ACYudonosan ShrineYamagata6 km away (straight line)
Photo: monja.rs.z / Wikimedia Commons, CC BY 3.0Hijiori Onsen Morning MarketYamagata13 km away (straight line)
Photo: Yamagata Prefecture (yamagatakanko.com)Mt Haguro (Dewa Sanzan Shrine)Yamagata14 km away (straight line)
Photo: Yamagata Prefecture (yamagatakanko.com)Mogami River Boat Ride (Basho Line)Yamagata21 km away (straight line)
Photo: 掬茶 / Wikimedia Commons, CC BY-SA 4.0 (cropped and resized)Chido MuseumYamagata24 km away (straight line)
Distances are straight-line distances, not travel distances. Some locations are approximate, so treat these distances as a rough guide.
Crowds
- Not yet confirmed
Crowd level, Best time to visit, Peak time, Busiest days, Busiest season
no official source yet, and not enough traveler reports.
- Latest traveler report
- None yet
On sunny weekend and holiday mornings, the road up to the eighth station is often congested.Checked 25 Sept 2026 on a tourism board site
Traveler crowd data by time of day appears after 5 traveler reports (0 so far).
You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps
Visiting respectfully
- RulesUmbrellas are not allowed on the boardwalk, so bring rainwear and a hat. The boards can be slippery: wear trainers or hiking shoes, not heels, leather shoes or sandals.Checked 25 Sept 2026 on a tourism board site
Verification log
- 25 Sept 2026First check · Tourism board · https://yamagatakanko.com/attractions/detail_144.htmlAccess, parking, cautions and rules, description, events and coordinates read from a tourism organization's site.
