Around the Old Town and Nawarat bridge will have a traffic jam and loud noises because a lot of people usually throw firecrackers and enjoy the festival (Contests, Shows and etc.).
Check out the schedule of Loy Krathong 2017 below
For people who don’t like stay among the crowd. I prefer to sightseeing the city view from Doi Suthep (Must go there before 7pm. because Competent Official will not allow you to go up there because it is too dark and dangerous for tourist.).
Temples near waterside also have their own celebration. They have almost everything like a ceremony by government but smaller scale, however you can perform Thai folk dance with woman dancers. (Mostly, they are old lady but you will enjoy your dance.)
After you’re done Loy Krathong, come and stay with us at Nasaraan.