Prefectural Route 1 in the Ebino Kogen–Ioyama Area (as of January 29, 2026)

<Latest Information (January 29, 2026)>
Mt. Iwo >
Regarding Prefectural Route No. 1 around the Ebino Kogen–Ioyama area, provisional daytime opening will be continued on Saturday, January 31 and Sunday, February 1, 2026.
Regarding Prefectural Route No. 1 around the Ebino Kogen–Ioyama area, as volcanic gas concentrations have continued to be observed at levels below the established standards, provisional daytime opening will be continued on Saturday, January 31 and Sunday, February 1, 2026.
Please continue to pay attention to volcano information.
Prefectural Road No. 1 Kobayashi Ebino Kogen Makien Line “Near the entrance of the Koshidake Trail ~ Intersection with Prefectural Road No. 30 Ebino Kogen Oda Line” is only available to covered cars during the hours of 9 a.m. ~ 5 p.m. on Saturdays and Sundays. However, due to volcanic activity or weather, the road may be closed, so please follow the local instructions.