The Thai new year water festival. The dates are slightly different depending on the region but generally. 13th, 14th and 15th of April each year
13th, 14th and 15th of April. Some of the best areas for Songkran in Bangkok are Silom Road video below. Khaosan Road, Soi Cowboy and Nana Plaza (Soi 4 Sukhimvit Road)
13th, 14th and 15th of April. The best place is around the Old City Moat. Everyone around the old city Wall likes to get involved, restaurants, general shops etc. Can not recall anyone charging money for a water refil here in Chiang Mai.
Pattaya has the longest Songkran in all of Thailand it runs for 1 full week of non stop water fun.
13th, 14th, 15th, 16th, 17th 18th and 19th of April!
Songkran is held only on the last day of Pattaya Songkran the 19th of April