This year’s event will have advocates, live music, vendors and a treasure hunt while running concurrently with the Monroe Street Fair.

The Southeast Michigan city has a long history of green policies, acceptance of counter-culture and turning a blind eye towards the use of substances.

Several streets on U-M's campus will be closed Saturday for the annual Hash Bash and Monroe Street Fair.

“What Bloom City Club is doing is what makes Michigan’s cannabis industry so great--an industry of compassion, and dedication to building a better tomorrow,” said GLEN President and Redemption Cannabis CEO Ryan Basore in a release.

Hash Bash, which celebrates all things marijuana, returns to Ann Arbor this weekend.

According to the CDC, 48.2 million people have used marijuana at least once in 2019.

It was a BIG weekend in Tree Town and we want to see your photos.

Several events are happening this weekend which means road closures and extra traffic.

Held annually since 1972, the 50th-anniversary event will highlight the cannabis industry, marijuana legislation and cannabis activism.

Hundreds of people protested state and federal marijuana laws Saturday in Ann Arbor, despite public health orders limiting gatherings.

In 1971, music icons descended upon Ann Arbor for one cause -- to protest the imprisonment of Michigan political activist John Sinclair.