The Panel on the Future of the Trent-Severn Waterway
- An independent panel appointed by the Federal Minister of the Environment to evaluate the future of the historic waterway and its potential. Includes members, discussion papers and maps.
- http://www.tswpanel.ca/english/

Central Ontario Geocaching Resource
- Information on and about geocaching for the Central Ontario region, including event calendar, FAQs and a forum.
- http://www.centralontariocachers.com/

Oak Ridges Trail Association
- ORTA organizes hikes on trails of the Oak Ridges Moraine, and is engaged in establishing a system of trails along its length. Offers guidebooks and lists membership and donation information.
- http://www.orta.on.ca/

Fourinfo.com
- Information network serving the four counties of Haliburton, Northumberland, Peterborough, and City of Kawartha Lakes. Community and project news and information, volunteer opportunities and links.
- http://www.fourinfo.com/

Cycling Rail Trail
- A cycling path from Uxbridge to Peterborough via Lindsay and Omemee on an old rail bed. Describes connecting trails, major trail sections and links.
- http://www3.sympatico.ca/bwride/cycling/

Quid Novis
- Peterborough and Kawartha Region online information, news updated daily, monthly features, columns and profiles about community events, local weather and tourism information.
- http://www.quidnovis.com/

Northumberland Forest Users Committee
- To enhance, protect and encourage the public use of this special 6523 acre nature reserve.
- http://www.eagle.ca/forest/