Monthly donation yoga classes at Mack Park will begin Friday 5:30 to 6:30 p.m.
Classes will be held at the corner of Sixth Street and Carter Avenue. The parking lot is accessible from Hospital Road.
Donations benefit the community garden project.
More classes will be offered on July 19 and Aug. 16.
In case of rain, classes will be held at Sunflower Yoga Studio, 580 Philadelphia St.
Call (724) 388-6327 for more information.