Mount Bukō, Limestone mountain summit in Chichibu region, Japan.
Mount Bukō is a limestone summit in the Chichibu region rising to 1,304 meters (4,278 feet) and marked by steep white rock faces. The quarried terraces now form large steps on the western side, while the eastern flank remains forested.
Limestone extraction began in 1917 and supplied material for rebuilding Tokyo after World War II. Operations continue today and have reshaped the original form of the peak.
The peak serves as a spiritual guardian, with an ancient cedar at block 32 marking a traditional prayer site. Locals have visited this spot for generations to ask for safe journeys and good harvests.
Walkers reach the summit area via a 90-minute path from Yokose Station along Route 299, with route registration recommended at the starting point. The trail is well-maintained in summer but can become slippery after rain.
The ongoing quarry work has reduced the height of the peak by about 30 meters (98 feet), leaving little trace of its original silhouette. Visitors can see the large extraction steps from the valley, resembling a giant white amphitheater.
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