Diamond Cave (Tham Nam Lot / 'Diamond Glitter' Cave)
A shorter limestone cave lined with sparkling stalactites and stalagmites, an easier and drier alternative to the strenuous Nam Talu river cave.
- Category
- Caves
- Entrance fee
- Covered by the Cheow Lan Lake park fee (~300 THB foreigner); usually part of a guided lake tour.
- Hours
- Daytime, guided; safer and drier than Nam Talu but still weather-dependent.
- Best time
- Dry season Dec-May; morning as part of a lake itinerary.
- Time needed
- About 1-1.5 hours inside as part of a lake tour
About Diamond Cave (Tham Nam Lot / 'Diamond Glitter' Cave)
If you want the cave experience without the swim-through and the flood risk of Nam Talu, this is your pick. It's a shorter limestone cave lined with sparkling stalactites and stalagmites, drier and much less physically demanding, and it often just comes bundled into a standard lake tour.
That makes it the sensible choice for anyone who's on the fence about caving, travelling with mixed fitness levels, or simply not keen on wading through an underground river. You still get the formations and the atmosphere, minus the strenuous, riskier part.
It's safer than Nam Talu but still weather-dependent, so listen to your guide in wet conditions. Morning, as part of a lake itinerary, is the easy way to fit it in.
Highlights
- Sparkling stalactites and stalagmites
- Drier, easier alternative to Nam Talu
- Less physically demanding cave experience
- Commonly bundled into lake day or overnight tours
- Reached by longtail boat and a short walk
Tips
- Good choice if you want a cave without the swim-through of Nam Talu.
- It's often included in standard lake tours, so ask before booking extra.
- Still weather-dependent, so follow your guide's call in wet conditions.
- Visit in the morning as part of a lake itinerary.
How to get there
Longtail boat from Ratchaprapha Pier plus a short guided walk; commonly bundled into Cheow Lan Lake day or overnight tours.