Located in northeastern Ontario, the MRCA has a watershed area of over 11,000 square kilometers.


Are you planning development work near a watershed, river, stream, wetland, slope, or shoreline?
You may require a permit from the Conservation Authority.


The Mattagami Region Conservation Authority provides a variety of recreational opportunities throughout the City of Timmins through its system of Conservation Areas and Community Trails.

NEWS and Announcements

September 27

The Bart Thomson Trail access point near the Whitney-Tisdale Pump Station is temporarily closed to facilitate City of Timmins work on the pump station.

September 20

The Watershed Conditions Statement for Water Safety for Porcupine Lake has been cancelled.

September 14

The Timmins Flood Advisory Committee has issued a Watershed Conditions Statement for Water Safety for Porcupine Lake. Residents are cautioned against venturing out on lakes, rivers and small streams where higher water can be hazardous. For more information see our Flood Advisories page.

July 6

Please use caution when using the community trail system. Due to heavy rains on July 5, many of our trails have sustained washout damage. Crews are completing repairs through this week.

Flood Status

Mattagami River
Normal Water Levels
Porcupine Lake
Normal Water Levels
Kamiskotia Lake
Normal Water Levels

Low Water Status

Normal Water Levels

Contact Us

The Mattagami Region Conservation Authority office is located at:

100 Lakeshore Road
Timmins, Ontario
P4N 8R5

Tel:  705-360-2660
Fax: 705-360-2692
Email: [email protected]

Our office is open Monday to Friday from 8:00 a.m. to 4:00 p.m., closed between noon and 1:00 p.m.