(Photo: toquoc.vn)
The best time to visit Angel Eye Mountain is in September or October, but the mild weather makes it pleasant to come here at any time of the year. (Photo: VNA)
A peaceful landscape surrounds Angel Eye Mountain. (Photo: laodong.vn)
It is also called “Thủng Mountain” because it has a hole 50 meters in diameter right through its center. (Photo: toquoc.vn)
Angel Eye Mountain is in a beautiful valley surrounded by green pastures, giving it a unique, poetic aura. (Photo: laodong.vn)
(Photo: VNA)
Visitors come to observe the daily life of Cao Bang’s Tay ethnic minority. (Photo: VNA)
(Photo: VNA)
(Photo: vnexpress)
(Photo: toquoc.vn)
Visitors lose themselves in the breathtaking scenery.
15 minutes from Angel Eye Mountain is Nam Tra Lake. (Photo: toquoc.vn)

Angel Eye Mountain is 50 kilometers from Cao Bang city. It’s accessible by car or motorbike, but motorbikes are more convenient because of the narrowness of the roads. (Photo: toquoc.vn)