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← DiscoverKurobe Gorge RailwayUnazukiKeyakidaira

Japan

Kurobe Gorge Railway

UnazukiKeyakidaira

A small Kurobe Gorge Railway train crossing Atobiki Bridge above dense mountain forest
Near Kuronagi, the railway crosses the high Atobiki Bridge as the forest closes around the gorge.Photo: Akihiro Matsuoka · Public domain
Duration
Approx. 75–80 min.
Distance
19.91 km
Train
Open-sided narrow-gauge trolley train
Reservation
Recommended

A compact open-sided railway threading beside the Kurobe River through forest, tunnels, and high bridges deep in Toyama’s mountain gorge.

Seat view guide

Best Side to Sit

UnazukiKeyakidaira

Overall recommendation

Varies

The line curves repeatedly, so no single side is supported for the full journey.

It changes along the way

  • Lake Unazuki15 km · Limited dataRight
  • Atobiki Bridge58 km · Limited dataBoth sides
  • Kurobe River gorge814 km · Limited dataVaries
  • Kanetsuri riverside1416 km · Limited dataRight
  • Keyakidaira gorge1620 km · Limited dataVaries

Some sections are early guidance based on limited reports.

Explore the route

Interactive Route Map

Preparing the route

From Unazuki to Keyakidaira, via Kuronagi, Kanetsuri.

Scenic journey timeline

Along the Journey

A calm guide to the moments worth looking up for, arranged from Unazuki to Keyakidaira.

  1. Departure · 0 km · 0 minUnazuki
  2. Arrival · 20 km · 1 hr 20 minKeyakidaira

Look out for

Journey Highlights

Places & Rallii Lore

Read the railway landscape

bridge

Atobiki Bridge

A 64-metre bridge crosses the deepest, steepest side valley on the line, 60 metres above the floor.

The narrow-gauge railway crosses a steep side valley on one of its most exposed bridge sections.
gorge

Kurobe River gorge

The middle railway alternates tunnels with brief openings onto the river and densely forested walls.

The railway was developed alongside hydroelectric works and remains closely confined by the Kurobe River gorge.
historyA railway born from power developmentThe Kurobe Gorge Railway grew from infrastructure built to support hydroelectric construction.
A small Kurobe Gorge Railway train crossing Atobiki Bridge above dense mountain forest
Photo: Akihiro Matsuoka · Public domain

Its narrow alignment follows a landscape of dams, bridges, tunnels, and steep river walls. The passenger journey still reveals the railway’s industrial origins as it moves deeper into the gorge.

Source: Kurobe Gorge RailwayEditorial confidence · Checked 2026-08-17

Journey overview

What to Expect

Reservations
Recommended for this journey.
Train
Open-sided narrow-gauge trolley train
Operated by
Kurobe Gorge Railway Co., Ltd.

Plan the journey

Practical Information

2026 operating section
Dated 12 August 2026: the operator lists Unazuki–Nekomata shuttle service through 30 September and says full Unazuki–Keyakidaira service resumes 1 October. Check the current operating section before travel.Check current operator information
Seasonal railway
This mountain railway operates seasonally and weather or recovery work can affect access. The canonical journey describes the enduring full line, not guaranteed service on every date.Check current operator information
Reservations
All trains have controlled capacity. The operator suggests reservations at all times and strongly recommends them during peak holiday and autumn-colour periods; seating within the assigned open car is first come, first served.Check current operator information
Open carriage
Standard cars use open sides and four-person bench seating. Bring layers and rain protection: mountain weather changes quickly, and there are no toilets on the train.
Accessibility
The operator lists elevators, ramps, and accessible toilets at Unazuki and Keyakidaira and invites passengers to request staff assistance. Confirm boarding support and the current accessible operating section in advance.Check current operator information
At Keyakidaira
Earthquake-recovery work currently restricts access around the station. The operator says the station rooftop and visitor center remain available; check current walking-area access before relying on onward sights.Check current operator information

Continue the story

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Route & data sources

  • Operator informationKurobe Gorge Railway — Route Guide

    Official station sequence, 2026 operating sections, landmarks, and Keyakidaira access context.

  • Operator informationKurobe Gorge Railway — Information

    Official reservation, comfort, onboard toilet, weather, and accessibility guidance.

  • Operator informationKurobe Gorge Railway — Timetable

    Official representative duration, capacity-controlled seating, and open-carriage character; no fare or permanent timetable is reproduced.

  • Scenic contextJapan National Tourism Organization

    Official tourism context for the 20-kilometre gorge railway, bridges, tunnels, and seasonal landscape.

  • Railway / map dataOpenStreetMap

    Prepared from 99 connected narrow-gauge main-line ways between Unazuki and Keyakidaira; © OpenStreetMap contributors, ODbL.

  • Rallii guidanceRallii guidance

    Curated timeline and cautious, entirely limited-data viewing guidance derived from official landmark context and prepared geometry.