Pac Bo Cave

Cave Historic cave site where Ho Chi Minh sheltered

A cave complex near Vietnam’s northern border where Ho Chi Minh sheltered in 1941; visitors come for the cave, the mountain stream and the on-site historical displays.

Pac Bo Cave is a natural limestone cave and a designated revolutionary relic site in northern Vietnam, notable for its association with Vietnamese revolutionary activity during the 20th century.

A compact site arranged along a short stream with a few preserved structures and exhibition rooms. Highlights are the cave itself, a clear mountain stream known locally as Suoi Lenin, and interpretive displays that explain the site’s 20th-century significance; the walking circuit is short and mainly flat.

The cave and the surrounding relic area are documented as the place where Ho Chi Minh and early members of the Viet Minh operated after returning to Vietnam in 1941, using the area as a base of operations until later in World War II. The site has been preserved and presented as a historical monument with museum displays and marked paths.

Located in Hà Quảng District, Cao Bằng province near the Vietnam-China border, the site sits in a karst landscape of low forested hills and streams and is accessed from nearby provincial roads; parking and visitor facilities are grouped close to the relic complex.

  • Visitor facilities: Includes a managed relic complex with explanatory panels and a short, well-marked walking trail between the cave, the stream and the exhibition area.
  • Typical visit length: The site is small and reached on foot from the parking area; visits typically take under two hours including the museum and short walks.

What to See #

  • Pac Bo Cave: A small natural cave at the edge of a stream that is part of the larger Pac Bo historic site; the cave is set into limestone and is the focal point of the site's walking route.
  • Lenin Stream (Suoi Lenin): A short clear stream running beside the cave that was named Suối Lê-nin on the site; the stream and its banks are included in the protected relic area.
  • Relic area and museum: A cluster of memorial structures, exhibition rooms and simple preserved buildings that present documentary material and artefacts related to revolutionary activity at the site.
Pac Bo Cave
Pac Bo Cave (Pac Bo historic site), Hà Quảng/Trùng Khánh area, Cao Bằng Province, Vietnam
22.9769, 106.0511

Tips for Visiting Pac Bo Cave #

  • Visit Pac Bo Cave in the morning when the site is quieter and the simple memorial and cave setting feel less crowded-allow time to walk the short path along the stream that links the cave to the memorial area.
  • Enter via the official site near Pac Bo village (the small museum and exhibition are adjacent to the cave); buying a combined ticket and checking opening hours in Cao Bằng city the day before avoids wasted trips on closed days.
  • Combine the cave visit with nearby revolutionary sites around Cao Bằng rather than treating it as a very short stop; many visitors miss the wider historical trails and small memorials in the surrounding area.

Best Time to Visit Pac Bo Cave #

Best visited in the cool, drier months (October-April) when access and walking conditions are easier.

Cool/dry season (best time)
October-April · 10-20°C
Generally cooler and drier - easier walking to the historic site and more comfortable visits.
Wet season
May-September · 20-30°C
Warm, humid conditions with frequent rain that can make paths slippery and affect access.

Weather & Climate near Pac Bo Cave #

Climate

Pac Bo Cave's climate is classified as Humid Subtropical (Dry Winter) - Humid Subtropical (Dry Winter) climate with hot summers (peaking in July) and cool winters (coldest in January). Temperatures range from 10°C to 31°C. Abundant rainfall (1407 mm/year), wettest in August with a pronounced dry season.

Air Quality: AQI 78 Moderate
Best Time to Visit
NovemberMarchOctober
Temperature & Rainfall
Temperature Range
38°
Warmest Month
-6°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 17°C and lows of 10°C. The driest month with just 12 mm and mostly overcast skies.

69 Good

Comfort

13°
Feels Like Cool
13°C
Temperature
10° 17°
80%
Humidity
Very Humid

Weather

12 mm
Rainfall
1.7 m/s
Wind
Calm
0.7
UV Index
Moderate
10.8h daylight

February

February is cool with highs of 18°C and lows of 12°C. Moderate rainfall (33 mm) and mostly overcast skies.

67 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 18°
79%
Humidity
Very Humid

Weather

33 mm
Rainfall
2.0 m/s
Wind
Calm
0.9
UV Index
Moderate
11.3h daylight

March

March is mild with highs of 22°C and lows of 15°C. Light rainfall and mostly overcast skies.

77 Very Good

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 22°
77%
Humidity
Very Humid

Weather

28 mm
Rainfall
1.9 m/s
Wind
Calm
1.0
UV Index
Moderate
11.9h daylight

April

April is mild with highs of 26°C and lows of 19°C. Moderate rainfall (71 mm) and mostly overcast skies.

73 Very Good

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 26°
76%
Humidity
Very Humid

Weather

71 mm
Rainfall
2.0 m/s
Wind
Calm
1.3
UV Index
High
12.6h daylight

May

May is warm with highs of 29°C and lows of 22°C. Significant rainfall (184 mm) and mostly overcast skies.

65 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
22° 29°
79%
Humidity
Very Humid

Weather

184 mm
Rainfall
1.9 m/s
Wind
Calm
1.8
UV Index
Very High
13.1h daylight

June

June is warm with highs of 31°C and lows of 23°C. Heavy rain (258 mm) and mostly overcast skies.

55 Acceptable

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°
87%
Humidity
Very Humid

Weather

258 mm
Rainfall
1.6 m/s
Wind
Calm
1.9
UV Index
Very High
13.4h daylight

July

July is the hottest month, feeling like 31°C with oppressive humidity. Heavy rain (262 mm) and mostly overcast skies.

55 Acceptable

Comfort

31°
Feels Like Hot
27°C
Temperature
24° 31°
88%
Humidity
Very Humid

Weather

262 mm
Rainfall
1.7 m/s
Wind
Calm
2.1
UV Index
Extreme
13.2h daylight

August

August is warm with highs of 31°C and lows of 23°C. The wettest month with heavy rain (276 mm) and mostly overcast skies.

55 Acceptable

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°
87%
Humidity
Very Humid

Weather

276 mm
Rainfall
1.4 m/s
Wind
Calm
2.0
UV Index
Very High
12.8h daylight

September

September is warm with highs of 29°C and lows of 21°C. Significant rainfall (138 mm) and mostly overcast skies.

69 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
21° 29°
86%
Humidity
Very Humid

Weather

138 mm
Rainfall
1.3 m/s
Wind
Calm
1.7
UV Index
Very High
12.2h daylight

October

October is mild with highs of 26°C and lows of 18°C. Regular rainfall (89 mm) and partly cloudy skies.

77 Very Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°
84%
Humidity
Very Humid

Weather

89 mm
Rainfall
1.6 m/s
Wind
Calm
1.3
UV Index
High
11.5h daylight

November

November is mild with highs of 23°C and lows of 14°C. Moderate rainfall (39 mm) and partly cloudy skies.

81 Excellent

Comfort

18°
Feels Like Mild
18°C
Temperature
14° 23°
81%
Humidity
Very Humid

Weather

39 mm
Rainfall
1.5 m/s
Wind
Calm
1.0
UV Index
Moderate
10.9h daylight

December

December is cool with highs of 19°C and lows of 11°C. Light rainfall and partly cloudy skies.

73 Very Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°
78%
Humidity
Very Humid

Weather

17 mm
Rainfall
1.4 m/s
Wind
Calm
0.7
UV Index
Moderate
10.7h daylight

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