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

March 3

The Mattagami Region Conservation Authority has posted the first Watershed Update for 2021. Watershed statistics reports include data retrieved from snow course readings and dam operations. See our Upper Mattagami Watershed Statistics page for current information.

February 16

The MRCA office is now re-opened to the public. As per the Ontario government’s COVID-19 Response Framework, anyone coming to our office is required to complete pre-screening, maintain a physical distance of 2 metres and wear a mask. We recommend calling ahead to make an appointment if you intend to meet with any of our staff. Please see our COVID-19 updates page for details.

January 14

Following Ontario’s stay-at-home order, our office will remain closed to the public but our conservation areas and recreational trails remain open. Please see our COVID-19 updates page for details.

January 4

In accordance with the provincial shutdown, the MRCA office is closed to the public effective January 4, 2021.

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: info@mattagamiregion.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.