AJAX -- Take a hike with a certified hike leader on May 17. The Saturday hike, from 1 to 3 p.m., will see participants meet at Rotary Park in Ajax (177 Lake Driveway. W.) in a hike that starts at the park (northwest parking lot -J:2 on the Ajax Trails Map) and heads north along the Duffins Trail to Bayly Street and back. Well-mannered dogs are welcome to attend. Participants can expect a two-hour hike at a moderate pace. The sheltered trails are paved, wood chip and crushed stone path. For more information, call Allan Williams at 905-428-8535.