Photo: Have you seen the light?

Tham Khao Luang

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Streaks of sunlight pierce dramatically into Tham Khao Luang, a large cave containing numerous Buddha images and other statuary in three chambers once frequented by King Rama IV.

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The experience begins with troupes of monkeys begging for bananas sold by vendors at the car park. From there you can walk up the steep 400-metre access road or pay 15 baht to pile into the back of a pick-up. At the top, a few more monkeys hang around concrete steps that descend into the darkness.

Put your head down. Photo taken in or around Tham Khao Luang, Phetchaburi, Thailand by David Luekens.

Put your head down. Photo: David Luekens

Arrive around midday when the sun is out and you might see slender beams of sunlight shining through a large hole in the cave’s limestone roof. The contrast can be so pronounced that it seems like you could grab a ray and use it as a jump rope. Many visitors settle for a “beam me up” selfie.

Frequented by kings Rama IV and Rama V in the 19th century, Khao Luang (“Royal Mountain”) is the name used for the entire 90-metre-high limestone massif, with the cave at its belly. Two holes in different chambers allow for air to flow inside and keep parts of the cave quite cool, explaining why monks have long used it for meditation.

Plenty to discover in the nooks and crannies. Photo taken in or around Tham Khao Luang, Phetchaburi, Thailand by David Luekens.

Plenty to discover in the nooks and crannies. Photo: David Luekens

Contributing to the haunting atmosphere are dozens of chedis and religious statues, including a 14-metre-long reclining Buddha and three hermits overseeing each of the three chambers. Their shadows cast eerie shapes over smooth walls and ceilings dotted with stalactites. In the back chamber, the roots of a large banyan tree follow the sunlight down into the cave.

Legend has it that a passage in the back chamber will send you through a twilight zone to a mystical city inhabited by young maidens. With some imagination you also might see rocks shaped like elephants ... Travelfish members only (Around 200 more words) ... please log in to read the rest of this story.

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How to get there
Tham Khao Luang is located five km north of downtown off Kiri Rattaya Rd, and an English sign marks the car park. Tuk tuks and motorbike taxis charge 100 to 300 baht for a round trip from the riverside area. Apart from the 15 baht charge for the truck to the top, admission is free.

Tham Khao Luang
Five km out of town
Mo–Su: 08:00–16:00
Admission: Free

Location map for Tham Khao Luang

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Popular attractions in Phetchaburi

A selection of some of our favourite sights and activities around Phetchaburi.

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A selection of some of our favourite places to stay in Phetchaburi.

What next?

 Browse our independent reviews of places to stay in and around Phetchaburi.
 Check prices, availability & reviews on Agoda or Booking
 Read up on where to eat on Phetchaburi.
 Check out our listings of things to do in and around Phetchaburi.
 Read up on how to get to Phetchaburi, or book your transport online with 12Go Asia.
 Do you have travel insurance yet? If not, find out why you need it.
 Planning on riding a scooter in Phetchaburi? Please read this.
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