There are limited commuter bus links mainly serving for locals connecting between settlements, the town hall and medical center. There are couple of useful services for visitors. One is the line mentioned above, linking between Omoto Station and Iwaizumi Town center, and the other one is to Ryusendo and Sugawatari Caves. Ryusendo can be within walking distance although 30 mins from town center. All buses start/end at Iwaizumi Station, passing through Sanbonmatsu 8 min away along the way.
Iwaizumi Sanbonmatsu - Omoto, daily, ¥600
From Sanbonmatsu 05:58, 06:40, 07:25*1, 08:05Sat,Sun, 08:05, 11:06, 12:58, 14:33, 16:30*1, 17:33, 19:23
From Omoto Station 06:37*1, 07:21, 08:42, 09:53, 12:47, 14:10, 15:46*1, 17:03, 18:52, 20:50
No mark= Operated by Iwaizumi Un-yu Bus *1= Operated by Iwate Kenpoku Bus Times in bold = via Ryusendo Cave add 8 mins from Sanbonmatsu
Iwaizumi Sanbonmatsu - Ryusendo Cave, Mon-Fri, ¥150
From Sanbonmatsu 08:07*4, 11:06, 11:30*3, 11:53*2, 12:58, 14:33, 14:47*4, 14:53*2,16:00*3, 16:53*2, 17:33, 17:37*4, 19:53*2
From Ryusendo Cave 05:55*2, 07:41*4, 07:52*3, 08:55*2, 09:08, 09:36*4, 10:19, 13:13, 13:30*2, 14:36, 16:00*2, 17:01*4
Saturday - Sunday, Public holiday
From Sanbonmatsu 08:05, 11:06, 11:35*3, 11:53*2, 12:58, 14:33, 14:53*2, 16:53*2, 17:33, 19:53*2
From Ryusendo Cave 05:55*2, 08:55*2, 09:08, 10:19, 13:13, 13:30*2, 14:36, 16:00*2
No mark= Operated by Iwaizumi Un-yu Bus *2= Operated by JR Tohoku Bus *3= Operated by Tanohata Kotsu Bus *4= Operated by Ogawa Taxi
Iwaizumi Sanbonmatsu - Ankado for Sugawatari Cave, Mon-Fri only, ¥720Monday - Friday
From Sanbonmatsu 08:07, 14:47, 17:37
From Ankado 07:10, 09:05, 16:30