Thousand Islands – Frontenac Arch is one of four ecoregions of the Mixedwood Plains. The Thousand Islands in the Saint Lawrence River have a distinctive flora and fauna and are a part of the biological corridor. The bedrock is mostly gneiss, granite and marble, more than a billion years old. The Frontenac terrain is the youngest of the Ontario portions of the arch, dated at 1.2 billion years old. These rocks were once part of a large mountain chain of the ancient supercontinent of Rodinia. There is also a meteor crater near Holleford, where the shield meets the limestone plains of southeastern Ontario. The area
Thousand Islands Playhouse Islands Playhouse since 1997, performing their shows across Eastern Ontario to school-aged children, as well as in parks, libraries, and at special events. They employ a troupe of young professionals providing them with professionally led-workshops and master classes. The graduates have gone on to take well-earned places in the profession. Throughout the summer on select Monday evenings, the Thousand Islands Playhouse presents the popular Studio ‘S’ series, an intimate concert and conversation series with world-renowned classical musicians, hosted by Eric Friesen. Each season features four new performers in the intimate 348 seat Springer Theatre. In May 2014, the Thousand Islands