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

February 6

Winter Hiking Day on February 22, 2020 from noon to 2:00 p.m. Join us for a FREE fun-filled day of guided winter hikes exploring the Hersey Lake Conservation Area.  read more…

February 5

The Wintergreen Fund for Conservation offers a $1,500 scholarship to a student graduating from a local high school who has decided to further their education in one of the environmental, conservation or natural resources fields of study. read more…

January 8

The Mattagami Region Conservation Authority is accepting applications for summer student employment.  read more…

January 2

Residents, including any snow removal contractors, are not permitted to blow or plow or otherwise place any snow into or next to the Town Creek channel. read more…

November 28

It looks as though the snow is here to stay, so our Field Supervisor has started our winter grooming. read more…


The Mattagami Region Conservation Authority, with funding from and in co-operation with the City of Timmins, has undertaken a program of producing and updating flood hazard mapping throughout the City of Timmins. read more…

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: mrca@timmins.ca

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.