Phraya Nakhon Cave

Wikimedia Commons

Phraya Nakhon Cave

Cave

Phraya Nakhon Cave is a scenic limestone cave in Khao Sam Roi Yot National Park known for the Kuha Karuhas Pavilion, a small royal pavilion lit by a dramatic skylight. Visitors come for the atmospheric chamber, shafts of sunlight, and the short forest and coastal hike to reach it.

Phraya Nakhon Cave Map data © OpenStreetMap contributorsSam Roi YotPhraya Nakhon Cave

Phraya Nakhon Cave essentials

Country: Thailand
Driest months: Dec-Feb
Pay in: Baht (฿)
Language: Thai
Emergency: 191

The cave lies in Prachuap Khiri Khan Province inside Khao Sam Roi Yot National Park and comprises two main chambers with notable rock formations and ancient inscriptions. The most famous feature is the Kuha Karuhas Pavilion, built for royal visits and often illuminated by a beam of sunlight through a large opening in the cave roof.

Access requires a walk along forested trails and, depending on which route you take, a short boat transfer to the nearby beach followed by a steep climb. The site combines natural karst scenery, historical markings, and the symbolic pavilion that makes it a popular attraction for photographers and day visitors.

Things to Do

What to See at Phraya Nakhon Cave#

  • Kuha Karuhas Pavilion, positioned on a raised platform and often lit by a shaft of sunlight
  • The skylight opening in the cave roof that creates dramatic beams of light at certain times
  • Stalactites, stalagmites and other limestone formations in the cave chambers
  • Ancient inscriptions and markings on the cave walls
  • Views along the trail over Khao Sam Roi Yot coastline and the park landscape
When to Go

Best Time to Visit Phraya Nakhon Cave#

The best time to visit is in the dry season and in the morning when sunlight is more likely to strike the pavilion; avoid heavy rain periods when trails and boat services can be disrupted.

Weather & Climate near Phraya Nakhon Cave#

Climate

Phraya Nakhon Cave's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 21°C to 33°C. Moderate rainfall (969 mm/year) with a pronounced dry season.

Air Quality: AQI 65 Moderate
Best Time to Visit
FebruaryJanuaryDecember
Temperature & Rainfall
Temperature Range
35°
Warmest Month
20°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Ideal 21° - 29° 25° 20 mm some cloud 77% 2.1 m/s 1.8 very high 11.4h
February Ideal 23° - 30° 27° 23 mm mostly sunny 77% 1.9 m/s 2.0 extreme 11.6h
March Very Good 24° - 31° 31° 47 mm some cloud 77% 2.1 m/s 2.2 extreme 12.0h
April Very Good 25° - 33° 34° 60 mm partly cloudy 76% 2.0 m/s 2.3 extreme 12.3h
May Good 25° - 33° 34° 98 mm overcast 80% 1.9 m/s 2.2 extreme 12.6h
June Good 25° - 32° 33° 64 mm overcast 82% 2.1 m/s 2.2 extreme 12.7h
July Good 25° - 31° 32° 80 mm overcast 83% 1.9 m/s 2.2 extreme 12.7h
August Good 25° - 31° 32° 92 mm overcast 83% 2.1 m/s 2.3 extreme 12.4h
September Good 24° - 31° 31° 118 mm overcast 84% 1.5 m/s 2.1 extreme 12.1h
October Good 24° - 30° 27° 219 mm overcast 83% 1.7 m/s 1.9 very high 11.7h
November Very Good 23° - 30° 26° 133 mm partly cloudy 80% 2.4 m/s 1.8 very high 11.4h
December Excellent 22° - 29° 25° 15 mm partly cloudy 77% 2.5 m/s 1.7 very high 11.3h
Getting There & Around

How to Get to Phraya Nakhon Cave#

Phraya Nakhon Cave is reached from Khao Sam Roi Yot National Park. Common approaches are a boat ride to Laem Sala Beach followed by a forested and then uphill trail to the cave, or a longer inland trail from the park visitor centre; both involve some steep steps and unpaved paths.

Visitors usually start from the park entrance near Hua Hin or from local piers for boats; expect a mixture of beach walking, forest tracks and a final climb to the cave chamber, so allow time and moderate fitness.

Tips for Visiting Phraya Nakhon Cave#

  • Wear sturdy shoes with good grip for uneven and sometimes wet rock steps
  • Bring water, sun protection and insect repellent for the trails and beach sections
  • Arrive early to avoid crowds and to see the best light through the skylight
  • Respect the royal pavilion and any signage, as it is a culturally sensitive site
  • Check park opening times and local boat schedules in advance, especially during the rainy season