Rideau Trail Association
- Operator of a hiking trail from Kingston to Ottawa along the Rideau River. History, activity, newsletter and trail guide information is provided.
- http://www.rideautrail.org/

Frontenac Provincial Park
- 12 km northeast of Sydenham. Canadian Shield land. Home to many unusual species of birds. Swimming, fishing, backcountry hiking and canoeing. Natural features, facilities, location are described.
- http://ontarioparks.com/english/fron.html

The Bonnechere River Watershed Project
- A community-based, volunteer organization includes photos, details of environmental issues, water quality, projects and activities.
- http://www.bonnechereriver.ca/