Mt. Asama (浅間山) is a 2,568m active volcano located on the border of Nagano and Gunma Prefectures. One of the 100 Famous Japanese Mountains; due to eruptive activity, entry near the summit is restricted, but climbing to the outer-rim peaks Mt. Kurofu and Mt. Maekake can be enjoyed.
From Sakudaira Station on the JR Hokuriku Shinkansen / Koumi Line or Komoro Station, take a bus to Kurumazaka-toge (in front of Takamine Kogen Hotel). Highway buses from Shinjuku are also available.
The trailheads are two: “Mt. Asama Trailhead,” which has Asama Sanso etc. along the course, and “In front of Takamine Kogen Hotel,” which has Takamine Onsen etc.
*Timetable last checked: May 28, 2026
How to access the trailheads
- [Outbound] Sakudaira Station / Komoro Station → Mt. Asama Trailhead / Kurumazaka-toge (Takamine Kogen Hotel-mae)
- [Outbound] Shinjuku Station → Takamine Kogen Hotel-mae
- [Return] Kurumazaka-toge (Takamine Kogen Hotel-mae) / Mt. Asama Trailhead → Sakudaira Station / Komoro Station
- [Return] Takamine Kogen Hotel-mae → Shinjuku Station
Hiking Course Details — Mt. Asama
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Map & Recommended Route — Mt. Asama
1. [Outbound] Sakudaira Station / Komoro Station → Mt. Asama Trailhead / Kurumazaka-toge (Takamine Kogen Hotel-mae)
From Sakudaira Station on the Hokuriku Shinkansen or Komoro Station, board the JR Bus Kanto “Takamine Kogen Line” and get off at Mt. Asama Trailhead or Kurumazaka-toge (in front of Takamine Kogen Hotel)
Travel time: about 60 minutes from Sakudaira Station / about 35 minutes from Komoro Station
Fare: ¥1,450 from Sakudaira Station / ¥1,180 from Komoro Station
Operation: year-round
Bus TimetableFrom Sakudaira Station / Komoro Station to Mt. Asama Trailhead / Kurumazaka-toge (Takamine Kogen Hotel-mae)
| Sakudaira Station | Komoro Station | Mt. Asama Trailhead | Kurumazaka-toge (Takamine Kogen Hotel-mae) |
|---|---|---|---|
| 8:40 | 9:00 | 9:15 | 9:34 |
| 14:00 | 14:20 | 14:35 | 14:54 |
Reference: JR Bus
2. [Outbound] Shinjuku Station → Takamine Kogen Hotel-mae
From Shinjuku Station New South Exit “Busta Shinjuku,” board the JR Bus Kanto “Shinjuku ~ Saku / Komoro / Takamine Kogen” line and get off at “Takamine Kogen Hotel-mae.”
Travel time: about 3 hours 50 minutes
Fare: ¥3,100
Operation: year-round
Bus TimetableShinjuku Station to Takamine Kogen Hotel-mae Bus Timetable
| Shinjuku Station | Takamine Kogen Hotel-mae |
|---|---|
| 10:35 | 14:21 |
Reference: JR Bus
3. [Return] Kurumazaka-toge (Takamine Kogen Hotel-mae) / Mt. Asama Trailhead → Sakudaira Station / Komoro Station
From Kurumazaka-toge (in front of Takamine Kogen Hotel) or “Mt. Asama Trailhead,” board the JR Bus Kanto Takamine Kogen Line toward Sakudaira Station and get off at JR Sakudaira Station or Komoro Station.
Travel time: about 55 minutes (to Sakudaira Station)
Fare: ¥1,450 to Sakudaira Station / ¥1,180 to Komoro Station
Operation: year-round
Bus TimetableMt. Asama Trailhead to Sakudaira Station / Komoro Station Bus Timetable
| Kurumazaka-toge (Takamine Kogen Hotel-mae) | Mt. Asama Trailhead | Komoro Station | Sakudaira Station |
|---|---|---|---|
| 10:13 | 10:30 | 10:52 | 11:10 |
| 16:20 | 16:38 | 17:00 | 17:20 |
Reference: JR Bus
4. [Return] Takamine Kogen Hotel-mae → Shinjuku Station
From “Takamine Kogen Hotel-mae,” board the JR Bus “Shinjuku ~ Saku / Komoro / Takamine Kogen” line and get off at the terminus, Shinjuku Station New South Exit “Busta Shinjuku.”
Travel time: about 3 hours 50 minutes
Fare: ¥3,100
Bus TimetableTakamine Kogen Hotel-mae to Shinjuku Station Bus Timetable
| Takamine Kogen Hotel-mae | Shinjuku Station |
|---|---|
| 16:20 | 20:17 |
Reference: JR Bus
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