Keep your eyes peeled at Tha Pae Walking Street — you're likely to uncover some treasure or trinket among the stalls here. After you've had a thorough browse of things, grab something to eat from one of the food vendors.
This community marketplace in Old City is well-liked by travelers, so put it on your schedule. Don't think that's all there is to do here, though. There are loads more options waiting for you to explore after Tha Pae Walking Street. Wat Phra That Doi Suthep, Chiang Mai City Arts & Cultural Center, and Chiang Mai National Museum are nearby.