About Pa Sak Jolasid Dam
The largest reservoir in central Thailand, held back by a 4.8 km earth dam in Lopburi. A road runs along the top of the dam, and a tourist train runs here from Bangkok in the cool season.
Highlights
- 4.8 km long dam
- Wide lake views
- Seasonal tourist train
When to visit Pa Sak Jolasid Dam
Month by month: good, OK or less good, based on average rain and temperature (Ayutthaya climate).
Best months: January, February, November, December.
- January Dry: about 4 mm on 4 rain days, max 34°C (Ayutthaya climate)
- February Dry: about 10 mm on 1 rain days, max 35°C (Ayutthaya climate)
- March Dry but very hot: about 50 mm on 6 rain days, max 36°C (Ayutthaya climate)
- April Some rain: about 101 mm on 9 rain days, max 37°C (Ayutthaya climate)
- May Rainy season: about 211 mm on 14 rain days, max 35°C (Ayutthaya climate)
- June Rainy season: about 182 mm on 14 rain days, max 34°C (Ayutthaya climate)
- July Rainy season: about 228 mm on 18 rain days, max 33°C (Ayutthaya climate)
- August Rainy season: about 302 mm on 17 rain days, max 33°C (Ayutthaya climate)
- September Rainy season: about 330 mm on 18 rain days, max 33°C (Ayutthaya climate)
- October Some rain: about 162 mm on 20 rain days, max 33°C (Ayutthaya climate)
- November Dry: about 19 mm on 8 rain days, max 33°C (Ayutthaya climate)
- December Dry: about 3 mm on 2 rain days, max 32°C (Ayutthaya climate)
Source: climate figures from our weather page: Weather and climate.
Practical information
- Location
- Lopburi · 14.86139, 101.06611
- Type
- 🌄 Viewpoint
- Best time of day
- Late afternoon and sunset
Opening hours and entry fee: no reliable source found, so not listed. Ask on site or check the official website.
More photos of Pa Sak Jolasid Dam
The Dong Phaya Yen Mountains seen east of Pa Sak Cholasit Dam Photo: Xufanc · CC BY-SA 3.0 · Wikimedia Commons 
Khao kok tako mountain seen north of Pa Sak Cholasit Dam Photo: Xufanc · CC BY-SA 3.0 · Wikimedia Commons 
The Dong Phaya Yen Mountains seen east of Pa Sak Cholasit Dam Photo: Xufanc · CC BY-SA 3.0 · Wikimedia Commons
Pa Sak Jolasid Dam on the map
Pinch to zoom; tap a point for more info. Open circles: approximate location.
More great places nearby
- King Narai's Palace (Phra Narai Ratchaniwet) 50 km as the crow flies
- Khao Yai National Park 70 km as the crow flies
- Wat Yai Chai Mongkhon 77 km as the crow flies
- Ayutthaya Historical Park 79 km as the crow flies
- Wat Chaiwatthanaram 81 km as the crow flies
- Bang Pa-In Royal Palace (Summer Palace) 87 km as the crow flies