Love is in the air for Great Blue Herons. Caledon Marsh is home to a spectacular Heron Rookery, and we get the opportunity to get an up close and personal view of these awesome birds in their natural habitat. Explore the various species that call Caledon Marsh home, including our resident Bald Eagles. $3 per person or $8 per family. Please call 540-663-3861 to make the necessary reservations. Paid reservations are required as space is limited. Parking Fee is $5.