Explore/Japan/JP 07/Bonari Green Line — Inawashiro to Tsuchiyu Onsen
JPInawashiro, JapanModeratePaved

Bonari Green Line — Inawashiro to TsuchiyuOnsen.

Distance
40 km
Duration
1 day
Climb
800 m
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Curated by Rider · Updated Oct 2026
Overview

Bonari Green Line — Inawashiro to Tsuchiyu Onsen.

The Bonari Green Line and old National Route 115 cross the Bonari highland between Lake Inawashiro and the hot springs of Fukushima City. It is a climb-and-plunge ride — up through the sulphur hamlet of Nakanosawa to the 972m Bonari Pass, then a long forested descent to Tsuchiyu Onsen at the foot of Mt Adatara.

Quick facts

SurfacePaved
Distance40 km
Days1
Total climb800 m
DifficultyModerate
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Day-by-day

The route.

ROUTE
4 stops
Start
InawashiroStart · Start on the north shore of Lake Inawashiro, Japan's fourth-largest lake, under the cone of Mt Bandai. Head east onto the Bonari highland.
Scenic
Nakanosawa OnsenScenic Point · A quiet sulphur hot spring hamlet on the Bonari plateau between Mt Bandai and the Adatara range. The milky Nakanosawa baths are a classic soak.
Pass
Bonari PassMountain Pass · The 972m historic pass, site of the 1868 Boshin War Battle of Bonari Pass. Sweeping views toward the Adatara volcanoes before the long drop east.
End
Tsuchiyu OnsenEnd · End at Tsuchiyu Onsen, a hot spring town famous for its hand-painted kokeshi dolls, tucked in the mountains above Fukushima City.

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