Save 20%: Mae Ping River Small-Group Tour by Viator Save 20%: Mae Ping River Small-Group Tour by Viator – Save 20%: Mae Ping River Small-Group Tour. Deal Start Date: 12/12/2014 Deal Expires: 12/31/2014 Last Updated: Fri, 12 Dec 2014 17:08:19 GMT Keywords: Chiang Mai, Half-day Tours Other Deals Like Save 20%: Mae Ping River Small-Group Tour by Viator: