Da You Keng Fumarole, Geothermal fumarole in Yangmingshan National Park, Taiwan.
Da You Keng is a geothermal fumarole in Yangmingshan National Park where hot volcanic gases and steam continuously escape through ground fissures. The emerging vapors create sulfurous water pools at the surface, staining the surrounding rocks with distinctive yellow and orange deposits.
The site is part of the Datun Volcano Group, which was active millions of years ago and shaped the landscape. Scientific studies in the early 2000s confirmed that an active magma chamber still exists beneath the region.
The thermal waters from Da You Keng area hold significance for local communities who incorporated them into traditional practices and rituals.
Visitors can reach this geothermal vent through marked hiking trails in the national park that connect from several entry points. Stay on designated paths since the air contains harmful gases and the ground can be unstable near active vents.
The fumarole becomes noticeably more active on warmer days, releasing denser clouds of vapor, while appearing subdued on cooler mornings. Many visitors miss this rhythm and arrive expecting the same intensity regardless of weather conditions.
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