Shiga Kogen Tourism Association Official Website

National Route R292 Shiga-Kusatsu Kogen Route

Current Status: OPEN / Partially Restricted

⚠⚠ Road Closure Status (as of 7 May 2026, 08:30) ⚠⚠
- Due to traffic restrictions caused by volcanic activity at Mt. Shirane, the route from Manza Junction to Kusatsu Onsen remains closed even after the winter road closure is lifted. In that case, you can reach Kusatsu via the Manza Highway (toll road) through Manza Onsen and Tsumagoi village.

[OPEN] Shiga Kogen Yosaka Gate ⇔ Shibutoge / Japan’s Highest National Route Point / Snow Corridor (at Yamada Pass)
[OPEN] Shibutoge / Japan’s Highest National Route Point / Snow Corridor (at Yamada Pass) ⇔ Manza Junction
[OPEN] Manza Junction ⇔ Manza Onsen
[OPEN] Manza Onsen ⇔ Kusatsu Onsen (via Manza Highway)
[Closed] Manza Junction ⇔ Kusatsu Sesshogawara Gate - Kusatsu Onsen (National Route 292)

For more information, please call Gunma Pref. Nakanojo Doboku Jimusho (Ph: +81 279-75-3047).

Prefectural Road R502 Okushiga Kogen Sakae Line

Current Status: CLOSED / Winter Road Closure Affected

LOCATION: Okushiga Kogen Gate → Intersection Gate of Akiyama Forest Road
CLOSED PERIOD: From 10 November 2025 at 10:00 to 15 May 2026 at 14:00

LOCATION: Intersection Gate of Akiyama Forest Road → Kayano-daira / Nozawa Onsen
CLOSED PERIOD: From 4 November 2025 at 14:00 to 22 May 2026 at 14:00 (Kayano-daira) / 29 May 2026 at 14:00 (Nozawa Onsen)

Prefectural Road R66 Toyonominami Shiga Koen Line

Current Status: CLOSED / Winter Road Closure Affected

LOCATION: From Shiga Kogen Kasagatake Gate to Takayama Village (Yamada Onsen)
CLOSED PERIOD: From 7 November 2025 at 15:00 to 22 May 2026 at 15:00

Road Condition in Shiga Kogen

From Kambayashi Chain Base to Hasuike: Dry
From Hasuike to Yokoteyama / Kumanoyu (southern part of Shiga Kogen): Dry
From Hasuike to Ichinose / Okushiga (northern part of Shiga Kogen): Partially Icy

Updated: 7 May 2026