Cheow Lan Lake
Last updated: February 2026
Khao Sok’s iconic lake of limestone cliffs, emerald water, and dreamy boat scenery.
Cheow Lan Lake (Ratchaprapha Reservoir) is the headline experience in Khao Sok: towering karsts, mirror-calm water, and boat rides that feel like a movie set. It’s the perfect centerpiece for a day trip.
Route at a Glance
Morning
- Arrive at the pier
- Longtail boat ride into the lake
Midday
- Photo stops at karsts
- Swim or kayak in calm water
Afternoon
- Short trail or cave visit (optional)
- Late boat ride back to shore
Return
- Head back to Khao Sok town
- Dinner nearby if staying late
Highlights
Limestone cliffs
Iconic karst scenery from the boat.
Crystal water
Great for swimming or kayaking.
Photo stops
Multiple scenic viewpoints on a single cruise.
Relaxed pace
Perfect for a laid-back nature day.
Getting There
By car or tour
Most visitors book a lake tour or driver.
Longtail boat
Boats depart from the main lake pier.
Start early to fit in boat time, photos, and a swim stop.
Tips
- Bring swimwear, towel, and sun protection.
- Pack water and snacks for the boat ride.
- Morning light is best for photos.
Questions?
Ask our community for tour recommendations or lake tips.