The Thai language Places and Prices coffee table magazine published an issue 2 years back with top Thailand destinations. These were their choice of best waterfalls, without ranking:
- Klong Thom Ron waterfall (being a waterfall as well), Krabi, Southern Thailand
- Huai Khamin waterfall, Kanchanaburi, Central Thailand
- Thi Lo Su, Tak, Northern Thailand
- Thi Lo Re, Tak, Northern Thailand
- Khlong Lan, Kampaeng Phet, Central Thailand
- Tat Mok, Phetchabun, Central Thailand
- Saeng Chan, Ubon Ratchathani, North-Eastern Thailand
- Mae Surin, Mae Hong Son, Northern Thailand
- Heo Narok, Nakhon Nayak, Central Thailand
- Phraiwan, Phattalung, Southern Thailand
- Krung Ching, Nakhon Si Thammarat, Southern Thailand
- Ton Nga Chang, Songkhla, Southern Thailand
- Mae Ya, Chiang Mai, Northern Thailand
There are probably many more that could of made the list. It's not mine. They may have tried to include all regions and be politically correct ....