Sahuarita isn't quite Tucson, but SAACA's chalk art mural festivals are worth the trip. If you haven't seen them, here are a few entries from this blog:
- Park Place Chalk Art Festival revisited (April 19, 2012)
- Park Place Chalk Art Festival, part 1 of 3 (April 10, 2013. Links near the end to parts 2 and 3.)
- Park Place Chalk Art Festival 2016 (April 11, 2016)