Hash Bash 2024 Ann Arbor. Hash bash is an annual event held in ann arbor, michigan, originally held every april 1, but now on the first saturday of april at noon on the university of michigan diag. The diag was covered in tables selling various marijuana products and paraphernalia saturday as thousands celebrated the 53rd annual hash bash, a festival advocating for federal legalization and decriminalization of marijuana.

Hash bash is an ann arbor tradition that’s been around for half a century. Causes event in ann arbor, mi by ann arbor hash bash on saturday, april 6 2024 with 6.8k people interested and 1.9k people going.