Mt. Haruna (榛名山) is a 1,449m peak in Takasaki City, Gunma Prefecture — a double-walled volcano whose multiple peaks ring Lake Haruna.
Together with Mt. Akagi and Mt. Myogi, it is counted among the Three Mountains of Jomo and has long been an object of mountain worship.
Starting from the lakeshore, you can enjoy varied courses such as Haruna Fuji (with ropeway), Mt. Kamon-ga-take, and Mt. Soma.
From JR Takasaki Station, access Lake Haruna by local bus.
Operating Information (as of May 2026)
- Gunma Bus Takasaki-Haruna-ko Line: For the official schedule, see the PDF timetable.
- Yaseone-toge ⇔ Ikaho Bus Terminal: Schedule revisions may have occurred; the timetable below (7-service configuration) is likely older information. Verify on NAVITIME (latest 4-service configuration) or Gunma Bus TEL 027-371-8588.
- Trails: No closure information for the main Haruna Fuji / Mt. Kamon-ga-take trails (Gunma Prefecture road regulations).
*Timetable last checked: May 17, 2026
How to access the trailheads
- [Going] Takasaki Station → Lake Haruna
- [Return] Yaseone-toge → Shibukawa Station
- [Return] Lake Haruna → Takasaki Station
Hiking Course Details — Mt. Haruna (榛名山)
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Map & Recommended Route — Mt. Haruna (榛名山)
1. [Going] Takasaki Station → Lake Haruna
From JR Takasaki Station West Exit Platform 2, take the Gunma Bus “bound for Lake Haruna” and get off at the terminus, Lake Haruna bus stop.
Operating period: year-round
Fare: ¥1,420
Travel time: 1 hour 25 minutes
Bus TimetableTakasaki Station to Lake Haruna
| Takasaki Station | Lake Haruna |
|---|---|
| *7:25 | *8:55 |
| 8:30 | 9:55 |
| 9:30 | 10:55 |
| 10:30 | 11:55 |
| 11:30 | 12:55 |
| 12:30 | 13:55 |
| 13:30 | 14:55 |
| 14:30 | 15:55 |
| 15:30 | 16:55 |
Reference: [Gunma Bus]
2. [Return] Yaseone-toge → Shibukawa Station
From the Yaseone-toge bus stop, take the Gunma Bus “bound for Ikaho Bus Terminal” and get off at Ikaho Bus Terminal.
At Ikaho Bus Terminal, transfer to the Kan-etsu Kotsu “bound for Shibukawa Station” bus.
Operating period: year-round
Fares:
Yaseone-toge ~ Ikaho Bus Terminal: ¥670
Ikaho Bus Terminal ~ Shibukawa Station: ¥750
Travel times:
Yaseone-toge to Ikaho Bus Terminal: 31 minutes
Ikaho Bus Terminal to Shibukawa Station: about 30 minutes
Bus TimetableYaseone-toge to Shibukawa Station
| Yaseone-toge | Ikaho Bus Terminal Arr. | Ikaho Bus Terminal Dep. | Shibukawa Station |
|---|---|---|---|
| 9:42 | 10:13 | 10:31 | 11:02 |
| 10:42 | 11:13 | 11:42 | 12:15 |
| 12:12 | 12:43 | 12:55 | 13:21 |
| 13:12 | 13:43 | 13:53 | 14:15 |
| 14:12 | 14:43 | 14:55 | 15:22 |
| 16:12 | 16:43 | 16:53 | 17:21 |
| 16:42 | 17:13 | 17:40 | 18:07 |
| Yaseone-toge | Ikaho Bus Terminal Arr. | Ikaho Bus Terminal Dep. | Shibukawa Station |
|---|---|---|---|
| 9:42 | 10:13 | 10:31 | 11:02 |
| 10:42 | 11:13 | 11:25 | 11:52 |
| 12:12 | 12:43 | 12:55 | 13:21 |
| 13:12 | 13:43 | 13:53 | 14:15 |
| 14:12 | 14:43 | 14:55 | 15:22 |
| 16:12 | 16:43 | 16:53 | 17:21 |
| 16:42 | 17:13 | 17:40 | 18:07 |
3. [Return] Lake Haruna → Takasaki Station
From the Lake Haruna bus stop, take the Gunma Bus “bound for Takasaki Station West Exit”.
Operating period: year-round
Fare: ¥1,420
Travel time: 1 hour 25 minutes
Bus TimetableLake Haruna to Takasaki Station
| Lake Haruna | Takasaki Station |
|---|---|
| 9:30 | 10:55 |
| 10:30 | 11:55 |
| 11:30 | 12:55 |
| 12:30 | 13:55 |
| 13:30 | 14:55 |
| 14:30 | 15:55 |
| 15:30 | 16:55 |
| 16:40 | 18:05 |
| 17:10 | 18:35 |
Reference: [Gunma Bus]
Photo by wikipedia


