Lonely planet says
"What was once a sleepy, little-known riverside town full of traditional timber houses is now a trendy destination for Thais, full of tacky gift shops. That said, it's far from ruined and we still think it's a good place to visit. The photogenic views of the river and the Lao mountains beyond are still there and things remain fairly peaceful in the daytime, before the evening shopping stampede begins."
Read more: http://www.lonelyplanet.com/thailand/loei-province/chiang-khan#ixzz3ILdcAEIZ