The following 20... 

 

Best Locality Number surveyed Backpacker's Ratings Criteria' Ratings Global Mark
11 Ko Pha Ngan 29 15.07 (down) 12.00 13.53
12 Tha Ton 15 13.60 13.33 13.47
13 Trat 5 15.80 11.11 13.46
14 A Hong 1 14.00 12.89 13.44
15 That Phanom 1 13.00 13.78 13.39
16 (up) Chiang Mai 23 13.09 (up) 13.33 13.21
17 (down) Lampang 8 15.63 10.67 13.15
18 (down) Kamphaeng Phet 6 15.17 11.11 13.14
19 Mae Hong son 20 12.80 13.33 13.07
20 Mukdahan 1 14.00 12.00 13.00
21 (up) Chiang Rai 22 12.77 (up) 12.89 12.83
22 (up) Ko Tao 20 15.80 (up) 9.78 12.79
23 (down) Nong Khai 3 14.00 11.56 12.78
24 (down) Ko Lanta 6 16.17 9.33 12.75
25 Chiang Saen 9 12.56 12.44 12.50
26 Krabi 14 12.71 12.00 12.36
27 Phimai 6 12.67 12.00 12.33
28 Chiang Khong 20 13.45 11.11 12.28
29 Phrae 4 14.25 10.22 12.24
30 Mae Sot 11 11.82 12.44 12.13