🔄 Updated 21 Jun 2026
Khao Sam Roi Yot National Park is in Sam Roi Yot district, Prachuap Khiri Khan province, about 60–65 kilometres south of central Hua Hin — roughly 1 to 1.5 hours by car depending on where you're headed. It's a coastal park where limestone mountains meet the sea, with caves, quiet beaches, a lotus marsh, and viewpoints. It suits travellers who've done Hua Hin a few times and want a full dose of nature.
This plan has you tackling Phraya Nakhon Cave on day one in the late morning (the light is best from morning to midday), then carrying on to a beach and a viewpoint. On day two you get up early for the lotus-marsh boat ride to watch birds before heading back to Hua Hin. If you only have one day, you can do just the first day on its own.
Before you set off: fees, hours, and what to pack
- Park entry fee — Thai adults 40 THB, children 20 THB · foreigners around 200 THB (collected separately at different points, e.g. the Phraya Nakhon Cave side and the lotus-marsh side)
- Opening hours — the park is open during the day. Head to the cave from morning to midday so you catch the light hitting the pavilion (around 10.30–11.30)
- Getting around — the easiest option is your own car or a rental from Hua Hin, since the spots inside the park are far apart and hard to reach by public transport
- What to bring — trainers or shoes with good grip (the climb up to the cave is steep rock), drinking water, a hat, sunscreen, and insect repellent for the marsh side
Check before you go
Boat fares, entry fees, and the timing of marsh boat rides can swing with the season and the number of visitors. On long weekends it gets crowded and the boat queue is long. Call the Khao Sam Roi Yot park office on 0 3282 1568 before leaving Hua Hin and you'll feel more at ease.
Book the activities in your Hua Hin trip ahead
Booking online ahead on Klook or GetYourGuide is usually cheaper than the gate and skips the queue. Pick only the experiences you actually want — prices and availability are shown live on each site.
Day 1 — Phraya Nakhon Cave, Laem Sala Beach, Khao Daeng
Conquer the cave + quiet sea + a viewpoint
Take care on the climb
The path up to Phraya Nakhon Cave is rock and steep steps, and it gets slippery when it rains. If you're afraid of heights or have bad knees, take it slow and hold the rail. If you're bringing older relatives or small kids, judge their fitness first — it's not an easy walk the whole way.
Day 2 — Boat ride on the Sam Roi Yot lotus marsh, bird-watching
The highlight of day two is the Sam Roi Yot marsh, a wide lotus wetland with limestone mountains as a backdrop. The pink sacred lotus is in full bloom from late in the year into early in the new year (roughly November–February), when the weather is pleasantly cool. For the best water-bird viewing, you need to go early, when the light is soft and the birds are out feeding.
Morning lotus marsh & birds, then back to Hua Hin
About the lotus season
The sacred lotus doesn't bloom across the whole marsh all year. The peak is late in the year into early in the new year. Come out of season and you may only find scattered lotus or blooms in certain spots. The bird-watching boat ride is still fun, but the marsh won't be as spectacular. Check with the park first if you're coming specifically for the lotus.
Optional: turn it into a day trip from Hua Hin
If you only have one day and don't want to stay overnight, you'll have to pick either the cave or the lotus marsh, since the two are on opposite sides of the park and a fair distance apart.
Focus on Phraya Nakhon Cave
Leave Hua Hin early, climb to the cave in time for the late-morning light, swim at Laem Sala Beach, then stop at Khao Daeng before heading back. Good for people who like walking and a quiet sea.
Focus on the lotus marsh & birds
Get up very early for the marsh boat ride, walk the boardwalk, then add Sai Cave. Good for people who like easygoing nature with no mountain climbing.
Straight talk before you go
- The climb to the cave is genuinely tiring — it's steep rock, not a stroll. If you have bad knees or fear heights, judge yourself first, and avoid rainy days because it gets slippery.
- Surf and wind can be unpredictable — some days the beaches in the park have strong wind and waves. Check the warning flags and ask staff before you swim. Don't push it when the surf is rough.
- Monkeys around the hills and car parks — there are monkeys in some spots. Don't hold food out in the open, and keep snacks and water bottles well stowed or they'll get snatched.
- Boat and accommodation prices swing with the season — marsh boat fares, entry fees, and rooms around Pranburi–Sam Roi Yot go up on long weekends and during lotus season. Book and check prices ahead.
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