Khao Luang Cave
ถ้ำเขาหลวง · Phetchaburi Province
Best Season
Year-round; best sunbeam lighting February to April (morning hours)
Score
7.8 / 10
Elevation
92 m
Area
6,225 km²
About Khao Luang Cave
Khao Luang Cave is one of Thailand's most extraordinary temple experiences — a vast underground chamber inside a limestone hill on the outskirts of Phetchaburi town, where shafts of natural sunlight pour through holes in the cave ceiling to illuminate a collection of Buddha images arranged across the cavern floor. The effect is profoundly atmospheric, with golden rays cutting through the dim cave air to spotlight the serene faces of the statues below.
The cave system consists of several interconnected chambers reached by a steep stairway down from the hilltop. The main chamber is roughly 35 meters high and contains a large reclining Buddha, dozens of seated Buddha images, and several smaller chedis and shrines. The natural light enters through multiple openings in the roof, and the most dramatic lighting occurs in the morning hours between 8:00 AM and 10:30 AM, when concentrated beams shine directly onto the principal Buddha images.
King Rama IV, who had been a monk in Phetchaburi before ascending to the throne, commissioned the installation of many of the Buddha images. The surrounding area includes Khao Wang royal palace hill nearby and the historic town of Phetchaburi, one of Thailand's most underrated destinations with Khmer-era temples and famous dessert shops.
Historical Note
The cave has been a place of worship for centuries. Its development as a major temple site began under King Rama IV (1851-1868), who spent years as a monk in Phetchaburi. He had Buddha images installed and cave paths prepared. King Rama V continued the work. The cave contains royal insignia from both reigns.
Best time to visit: Year-round; best sunbeam lighting February to April (morning hours)
At a Glance
Thai Name
ถ้ำเขาหลวง
Province
Phetchaburi
Region
Western
Area
6,225 km²
Elevation
92 m
Costs
Typical prices you'll encounter when visiting Khao Luang Cave. Grouped by category.
food
| Item | Low (THB) | High (THB) |
|---|---|---|
| Street food meal | 30 | 60 |
| Local restaurant meal | 50 | 120 |
| Coffee | 30 | 60 |
| Khanom Mor Kaeng (local dessert) | 10 | 30 |
| Water 1.5L | 10 | 15 |
accommodation
| Item | Low (THB) | High (THB) |
|---|---|---|
| Budget hotel per night | 300 | 600 |
| Mid-range hotel per night | 600 | 1,500 |
| Resort per night | 1,500 | 3,500 |
transport
| Item | Low (THB) | High (THB) |
|---|---|---|
| Songthaew in town | 20 | 40 |
| Motorcycle rental per day | 200 | 300 |
| Minivan from Bangkok | 150 | 200 |
entertainment
| Item | Low (THB) | High (THB) |
|---|---|---|
| Khao Wang cable car | 40 | 70 |
| Phra Nakhon Khiri entrance | 150 | 150 |
utilities
| Item | Low (THB) | High (THB) |
|---|---|---|
| Local guide tip | 50 | 100 |
Weather & Climate
The cave is accessible year-round. The most dramatic sunbeam effects occur between 8:00 AM and 10:30 AM on clear days. February through April provides the most intense light beams. Overcast days reduce the effect significantly.
| Month | High °C | Low °C | Rain (mm) | Humidity |
|---|---|---|---|---|
| Jan | 32 | 21 | 10 | 65% |
| Feb | 33 | 22 | 15 | 65% |
| Mar | 34 | 24 | 30 | 68% |
| Apr | 35 | 25 | 60 | 72% |
| May | 34 | 25 | 130 | 78% |
| Jun | 33 | 25 | 100 | 76% |
| Jul | 33 | 25 | 110 | 76% |
| Aug | 32 | 25 | 120 | 78% |
| Sep | 32 | 24 | 180 | 82% |
| Oct | 32 | 24 | 200 | 82% |
| Nov | 32 | 23 | 60 | 72% |
| Dec | 31 | 21 | 10 | 65% |
Things to Do
Khao Luang Cave Sunbeam Experience
ถ้ำเขาหลวง
Vast cave chamber where natural sunbeams illuminate hundreds of Buddha statues. One of Thailand's most photogenic sacred spaces.
Phra Nakhon Khiri (Khao Wang)
พระนครคีรี
Royal hilltop palace with panoramic views of Phetchaburi. Cable car available.
Phetchaburi Old Town Temple Walk
Walk through Khmer-era Wat Kamphaeng Laeng, Wat Mahathat, and Wat Yai Suwannaram.
Khanom (Dessert) Shopping
Phetchaburi is Thailand's dessert capital. Buy Khanom Mor Kaeng (egg custard) and Khanom Tan (palm sugar cake).
Phetchaburi Morning Market
Authentic local market with street food and fresh produce.
Wat Kamphaeng Laeng
วัดกำแพงแลง
Rare Khmer-era laterite ruins in the town center.
Food Nearby
ขนมหม้อแกง
Khanom Mor Kaeng
Egg custard dessert — Phetchaburi's signature sweet, baked in individual cups.
10-30
Dessert shops on the main road
ขนมตาล
Khanom Tan
Palm sugar cake made from local palm sugar, soft and fragrant.
10-20
Street vendors in Phetchaburi
แกงขนุน
Kaeng Khanun
Jackfruit curry, a regional specialty of Phetchaburi province.
40-60
Local restaurants
ปลาทูทอด
Pla Tu Tod
Fried mackerel, a staple of the morning market stalls.
40-70
Morning market stalls
Night Markets
- Phetchaburi Night Market
Where to Stay
Hostel Dorm
200 - 400
THB / night
Budget Hotel
300 - 600
THB / night
Mid-Range
600 - 1,500
THB / night
Luxury
1,500 - 3,500
THB / night
Best Areas to Base Yourself
Booking Tip
Most visitors combine Khao Luang Cave with other Phetchaburi attractions in a day trip from Bangkok, Hua Hin, or Cha-am.
Getting There from Bangkok
Car
2-2.5 hours
Fuel + tolls THB
Minivan
2.5-3 hours
150-200 THB
Bus
2.5-3 hours
100-150 THB
Train
3-4 hours
44-300 THB
Festivals & Events
Phra Nakhon Khiri Fair
Annual fair with cultural performances, food, and fireworks at Khao Wang.
Songkran
สงกรานต์
Water celebrations in Phetchaburi town.
Loy Krathong
ลอยกระทง
Floating offerings on the Phetchaburi River.
Practical Info
Hospital
Phetchaburi Hospital
Best SIM Provider
AIS
ATM Availability
Common
Language Tip
Thai with very limited English. Phetchaburi is not a major tourist town.
Drinking Water
Do not drink tap water. Bottled water recommended.
Tipping Culture
Not expected
7-Eleven Density
Common
Emergency Numbers
Tourist police 1155, Emergency 191
Nearby Attractions
Frequently Asked Questions
When is the best time to see the sunbeams?
Between 8:00 AM and 10:30 AM on clear, sunny days. February through April has the best angle. Morning visits on clear days are essential.
Is there an entrance fee?
No official fee. The cave is a temple and entry is free. Donations are appreciated.
Are the monkeys dangerous?
Not dangerous but very bold. They will grab food, bags, and shiny objects. Secure all belongings and do not carry visible food.
Can I visit as a day trip from Bangkok?
Yes. Phetchaburi is 2-2.5 hours from Bangkok. Combine the cave with Khao Wang palace and old town temples for a full day.
How difficult is the access?
Moderately challenging. About 100 steep concrete steps up the hill and steps into the cave. Not suitable for significant mobility issues. Wear sturdy shoes.