Phia Oac–Phia Den National Park Vườn quốc gia Phja Oắc – Phja Đén

Moss forest on a 1,935 m summit

Drive up into the moss and elfin forest of Phia Oac, west of Cao Bang city. The national park covers 11,960 ha, and the summit on this road is 1,935 m. Give it a day of its own. Skip it when the falls are the only day you have. The gate fee and the drive time are check on arrival.

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Moss and cloud forest on Phia Oac

Moss and cloud forest on Phia Oac

Photo: Gió Đông · Public domain

TimeA full day from the city
FeeCheck on arrival
Get thereWest from Cao Bang city. Drive minutes are check on arrival.
Best monthsOctober to April for the roads

Nguyen Binh

Mountains

The park was set on 8 January 2014, on 11,960 ha, expanding the older Phia Oac forest in Nguyen Binh. The road climbs from evergreen forest into moss and elfin forest, 467.60 ha of that high forest, and the air cools as you go up.

Forested karst peaks above a valley road in the Phia Oac–Phia Den reserve
Karst ridges above Phia Den, on the western road

Photo: HTDraw · CC BY-SA 4.0

The summit on this road is 1,935 m. The same day can include tea hills above 1,300 m, a red villa among pines, and Tran Hung Dao Forest. This day is forest and the ridge, not a second waterfall.

Give it a clear day, and give it the whole day. The gate fee, the hours, and the drive from the city are check on arrival. Storms on the mountain road are check on arrival too.

Getting there and around

Phia Oac is the western day, out of Cao Bang city toward Nguyen Binh and the park. Hire a car or a motorbike in the city. Drive minutes are check on arrival. Start early if you want the summit in daylight.

From Cao Bang city

West by car or motorbike. Drive minutes are check on arrival. This is a full day, not a stop on the way to the falls.

Hours and fees

  • Hours

    Check on arrival

  • Closed

    Check on arrival. Storm closures are check on arrival.

  • Admission

    Check on arrival.

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