Enjoy this unique opportunity to view the most important natural area within Guelph city limits – Hall's Pond. Thirty-minute walks begin at the Marcolongo Heritage Farm to this series of kettle lakes embedded within the Paris moraine ponds. Hikes will be led by the Guelph Hiking Trail Club, presenting the 10th year of Trails Open in Guelph. (Photo: Guelph Hiking Trail Club)