Renfrew County is the largest county in Ontario, stretching from the outskirts of Ottawa northwest along the Ottawa River to the edge of Algonquin Park. It is home to a string of distinct communities, from the military town of Petawawa to the river city of Pembroke, from the heritage streets of Arnprior to the quiet shores of Barry's Bay. This guide is here to help you discover what the county has to offer.
Explore the Towns
Petawawa
A growing community centred around CFB Petawawa, with excellent river access and proximity to Algonquin Park.
Pembroke
The county seat and commercial hub of the upper Ottawa Valley, with a lively waterfront and historic downtown.
Arnprior
A heritage town at the confluence of the Madawaska and Ottawa rivers, with deep lumber-era roots and a revitalized downtown.
Deep River
A unique planned community built for the scientists and workers of Chalk River Laboratories, set on a beautiful stretch of the Ottawa River.
Guides
Outdoor Activities in Renfrew County
Hiking, paddling, fishing, cycling, and winter sports across the county. The Ottawa Valley's landscape offers year-round outdoor recreation from gentle riverside trails to backcountry canoe routes.
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Things to Do in Renfrew County
Museums, local food, scenic drives, and community attractions worth discovering across the county.
Local Highlights
The places, landmarks, and experiences that define Renfrew County and make it worth exploring.