If joining the water fights the moment you step outside is the point of the trip, start with Amora Tapae Hotel at Tha Phae Gate and Imm Thaphae Chiang Mai Hotel inside the Old City. Both put you closest to the action, and both are also an easy walk to the temples inside the walls, so you can pair daytime splashing with evening New Year ceremonies.
For a rooftop pool and comfortable rooms to cool off in, compare Melia Chiang Mai and the newer-build Novotel Chiangmai Nimman Journeyhub. Both sit in central Nimmanhaemin within walking distance of cafes and shops, and both keep the moat within an easy taxi or Grab ride, so you can move between splashing and relief on the same day.
If you would rather split festival days and quiet days, compare Shangri-La Hotel Chiang Mai, between the Old City and Night Bazaar, and Eastin Tan Hotel Chiang Mai, spanning the west side of the Old City toward Nimman. Both keep the moat within a short walk or ride, making it easy to balance a splashing day with a temple-and-cafe day.
For evening Night Bazaar shopping and street food alongside the moat itself, check Chiang Mai Marriott Hotel. It sits close enough on foot to the moat that you can fill the day with water fights and the evening with the night market.
For a restful base on the Ping River, compare Anantara Chiang Mai Resort. April is the hottest month of the year in Thailand, so the open river views and pool help with recovery, and it also makes a calm stop between temple visits and New Year ceremonies. The timing coincides with the yellow Ratchaphruek flowers coming into bloom, and joining the moat water fights from here just means a short ride into town.
Before booking, check the room's location and window orientation, pool hours, and the free-cancellation deadline. Songkran is also a Thai national holiday, so domestic demand rises at the same time and preferred rooms can sell out first, with rates and cancellation rules sometimes differing from off-peak dates. Use the current product details as the final reference.