Chalk River is a small rural village, part of the Laurentian Hills municipality in Renfrew County, Ontario. It is located in the Upper Ottawa Valley along Highway 17, 10 km inland from the Ottawa River, approximately 21 km northwest of Petawawa, and 182 km northwest of Ottawa.

The Chalk River Laboratories is a nuclear research centre located on the bank of the Ottawa River. While named after the community of Chalk River, the research centre is located in Chalk River's neighbouring town of Deep River.

Chalk River Laboratories was the first laboratory created by Atomic Energy of Canada Limited. Chalk River and Deep River are commutable to Pembroke or Petawawa and great places to live!