Pac Bo relic is a revolutionary national historical relic - especially of Vietnam, belonging to Pac Bo village, Truong Ha commune, Ha Quang district, Cao Bang province, 52 km north of Cao Bang city center, is starting point (km 0) of Ho Chi Minh road.

Pac Bo is a national - special revolutionary historical relic of Vietnam, located in Pac Bo village, Truong Ha commune, Ha Quang district, Cao Bang province 52 km north of the center of Cao Bang city. The relic area includes: Uncle Ho memorial house, Coc Po cave, Lung Lan cave, Nguom Vai cave, Le nin stream, the stone table where Uncle Ho worked, the floor of Mr. Ly Quoc Gun's house, the floor of Mr. La Thanh's house, etc. On February 8, 1941, when he returned home, President Ho Chi Minh lived and worked in Coc Po cave and named the stream in front of the cave as "Lenin stream".