Widely considered one of Thailand's most photographed caves
Phraya Nakhon Cave is widely considered one of Thailand's most photographed caves, home to a royal pavilion lit by a dramatic shaft of sunlight for just a narrow window each day. Here's a real, complete guide to seeing it.
Featured on the official seal of Prachuap Khiri Khan province
| Detail | Information |
|---|---|
| Full name | Kuha Karuhas Pavilion (พระที่นั่งคูหาคฤหาสน์), inside Phraya Nakhon Cave |
| Location | Khao Sam Roi Yot National Park, near Laem Sala Beach |
| Built | 1890, see honest note below on a genuine discrepancy |
| Best light window | 10:00am to 11:30am, clear day needed |
| Cave structure | Two chambers, a dry waterfall and stalactites in the first, the pavilion in the main chamber |
| Provincial significance | Featured on the official seal of Prachuap Khiri Khan province |
| Later royal visitors | King Rama VII and King Rama IX (Bhumibol Adulyadej) also visited |
Two genuinely different legends about the cave's discovery
The cave's original discovery is similarly unsettled. It's a notable split. One legend credits a fisherman named Chao Phraya Nakhon Sri Thammarat, who sheltered in the cave during a storm, giving it its name. A separate, darker legend instead ties the discovery to a governor or ruler also called Phraya Nakhon, possibly involved in piracy, who was reportedly executed inside the cave. Both versions actively circulate across sources. Neither is definitively confirmed.
Roughly 90 minutes each clear morning
The cave's defining feature is a section of collapsed limestone ceiling that lets a shaft of natural sunlight fall directly onto the pavilion. For roughly 90 minutes each clear morning, typically 10am to 11:30am, this creates the contrast between dark cave walls and a brightly lit golden pavilion that makes this spot so widely photographed. Outside this window, or on an overcast day, the effect is specifically described as missed entirely, the pavilion simply sits in shadow.
Captures the scale of both the cave and the pavilion
Sourced from aleenta.com's Phraya Nakhon Cave, Hua Hin Cave, thaiholidayguide.com's Phraya Nakhon Cave, Wikipedia's Phraya Nakhon Cave entry, travelinmypocket.com's hike to Phraya Nakhon Cave Thailand's most beautiful temple cave, thailandguide.co.uk's Phraya Nakhon Cave guide hike Khao Sam Roi Yot, renown-travel.com's Phraya Nakhon Cave beautiful cave near Hua Hin, airial.travel's Phraya Nakhon Cave 2026, sabaifly.com's Phraya Nakhon Cave Thailand's hidden royal pavilion inside a cave, maratnomad.com's Phraya Nakhon Cave how to visit and what to know, and huahinbeachproperty.com's Phraya Nakhon Cave discovery the amazing beauty.
Depart Hua Hin early enough to arrive at the park between 8am and 9am. The hike itself takes 40 to 60 minutes depending on your pace. This timing gets you to the pavilion comfortably before the light window opens.
Check a weather forecast the night before if the pavilion's lit photo is your priority. A clear morning is specifically required for the effect to appear at all.
Bring water and wear proper hiking shoes for the approach. The climb involves steep, uneven steps regardless of which route you take to reach the cave.
Visit the first chamber's dry waterfall and stalactites too. Several sources specifically note this area is worth a look before continuing to the main pavilion chamber.