A 3-mile guided trek, starting at 10:15 a.m., will explore the history and stormwater management features of the Lafitte Greenway.
To take part in the free hike, meet at Congo Square, 700 N. Rampart St., at 10 a.m. Saturday to register. Free parking is available at the Mahalia Jackson Theater.
The walk ends at Second Line Brewing, 433 N. Bernadotte St., with a block party from noon to 3 p.m. featuring music by Secondhand Street Band, food trucks and environmental activities.
One dollar from every beer is donated to Friends of Lafitte Greenway. A free shuttle will return walkers to Basin Street.