Geoheritage Day at the Cardinal Creek Karst – Sunday, October 16, 2016, from 10:00am to 3:00pm / Journée du patrimoine géologique au Karst de Cardinal Creek le dimanche, 16 octobre 2016, de 10h à 15h.

The Cardinal Creek Community Association wishes to bring awareness to the Cardinal Creek Karst (an underground cave system) in the east end of Orleans, and the work being done to protect it. In the last 2 billion years the Ottawa Valley has been a huge mountain chain,...