Overview
Mount Ōchō rises to 1,671 meters on the border between Katsuyama City in Fukui Prefecture and Hakusan City in Ishikawa Prefecture, a peak of the Ryōhaku Mountains sitting on the Kaetsu provincial boundary. It lies within Hakusan National Park and also straddles the Fukui Prefectural Dinosaur Valley Katsuyama Geopark and the Okuetsu Kōgen Prefectural Natural Park, making it a mountain rich in wild nature. Within its range stands the Ohara Dam, and the Takinami River of the first-class Kuzuryū River system rises from this mountain. From the ridge spanning the Fukui–Ishikawa border, sweeping views of the Hakusan range and other peaks unfold.
Highlights
- ●A 1,671 m peak on the Kaetsu boundary of the Ryōhaku Mountains
- ●Rich nature within Hakusan National Park
- ●A range extending into the Dinosaur Valley Katsuyama Geopark
- ●Source of the Takinami River and the Ohara Dam
History
Mount Ōchō lies on the ridgeline of the Kaetsu provincial boundary dividing Kaga (Ishikawa) from Echizen (Fukui), and has long been recognized as a natural border between the two provinces. As part of the Ryōhaku Mountains, it lies close to the sacred realm of Hakusan worship and its nature is protected within Hakusan National Park. In modern times its surrounding terrain and ecosystems have been designated as part of the Dinosaur Valley Katsuyama Geopark and the Okuetsu Kōgen Prefectural Natural Park, making the range a place to learn about the formation of the land. Please confirm current trail conditions through official sources.
Access
The mountain stands at about 36.091°N, 136.651°E on the border of Katsuyama City, Fukui, and Hakusan City, Ishikawa. From the Fukui side it is common to start from central Katsuyama and head for the foothills, following the ridge that divides Echizen and Kaga. Because it lies deep in the mountains, public transport is limited, and entry conditions change greatly with the season and weather. Please be sure to check official sources in advance for trailhead access, trail conditions, and parking.
Best season
For a peak of 1,671 meters, the period from early summer once the residual snow melts through autumn is best suited for climbing and enjoying the views from the Kaetsu boundary ridge. Summer offers cool highland breezes and open summit vistas, while autumn brings splendid foliage across the slopes. In winter the mountain is locked in deep snow, making it terrain for experienced climbers with proper equipment. Check the latest weather and trail information before setting out, and be prepared for sudden changes.
Map
36.0906, 136.6514 · Wikidata
Suggested itinerary
- 1Set out from central Katsuyama toward the foothills
- 2Follow the Kaetsu boundary ridge and cross the prefectural border
- 3Take in the Hakusan range from the 1,671 m summit
- 4After descending, visit the Ohara Dam and the Katsuyama Geopark
Did you know?
💡 The Takinami River, which rises on Mount Ōchō, is part of the first-class Kuzuryū River system, and the Ohara Dam within the range holds back its flow. Beyond Hakusan National Park and the Okuetsu Kōgen Prefectural Natural Park, the mountain also falls within the Dinosaur Valley Katsuyama Geopark, an area of Katsuyama famous for dinosaur fossils, drawing attention for its geology and landforms. The ridge spanning the two prefectures of Fukui and Ishikawa is another feature unique to this mountain.
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