Yoga will be practiced in the wild areas near Winnekenni Castle during a 50-minute class.
An instructor will teach a class outdoors followed by a self-guided walking tour of the surrounding park and trails. All ages and abilities are welcome at the class on Sunday, Sept. 10, at 3:30 p.m., at the castle, 347 Kenoza Ave., Haverhill.
Registration is $25. Bring your own yoga mat or one may be purchased for $5 per class. Children younger than age 16 must be accompanied by an adult. Class will not be held in thunderstorms or heavy rain.
Advance registration is required through the Haverhill Recreation Department.