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North Bay-Mattawa Conservation Authority

NBMCA was founded in 1972 by the Province of Ontario and the NBMCA’s 10 member municipalities.
As a community-based, non-profit environmental organization, NBMCA is dedicated to
conserving, restoring, developing and managing renewable natural resources on a watershed basis.
NBMCA is one of 36 Conservation Authorities who are members of Conservation Ontario.

Be a Steward!

Prevent Erosion and Runoff!

Planting trees and shrubs along the shoreline or stream bank at your home, farm or cottage is one of the ways you can help protect and preserve water quality. 


Development and On-site Sewage

Permits are one tool for balancing human needs with the needs
of the natural environment, protecting people and property
from natural hazards.


Integrated Watershed Management

From water quality monitoring and flood forecasting to drinking water source protection, NBMCA uses science to make watershed management decisions. 

Get Outside!

Trails & Events

Looking to hike, bike, or ski?
Paddle a historic canoe route?
Explore our natural heritage?
Take part in an environmental festival or special event?  


Service Disruption - NBMCA Parking Lot

July 12, 2019

(North Bay, ON - July 12, 2019) The parking lot and entrance roadway to NBMCA's office at 15 Janey Ave. North Bay and the Laurentian Escarpment Conservation Area will be under construction while the Near North District School Board undertakes a reconstruction of this area and the adjacent schoolyard to address parking and access to Vincent Massey Public School.


Forest Talk Radio at Laurier Woods Wins Provincial Conservation Areas Award

October 31, 2019

(October 30, 2019 - North Bay, ON)   The land managers and staff of Ontario’s 36 Conservation Authorities voted Forest Talk Radio – a unique blend of storytelling, science and environmental education -  the winner of the 2019 Conservation Areas Innovation Award at the 13 Annual Conservation Areas Workshop October 25. 


Cranberry Road to Decaire Road - Kate Pace Way - Closed for Work

September 11, 2019

A portion of the Kate Pace Way from Cranberry Road to Decaire Road will be closed to the public for rehabilitative work.  


Volunteers in North Bay come together for TD Tree Days to help drive target of one million trees by 2030

September 10, 2019

(North Bay, ON – September 10, 2019) – Chippewa Creek EcoPath gets another boost on Sept 14, when 30 volunteers plant 500 new trees and shrubs as part of the 10th Annual TD Tree Days.   This planting will help provide more tree cover for the city, build climate change resiliency and help reduce run-off to Chippewa Creek.


Grandchildren Planting Seedlings along Chippewa Creek helping protect water quality and fighting climate change

September 05, 2019

(North Bay, September 5, 2019)  Thirty grandparents and their grandchildren are helping restore Chippewa Creek’s shoreline, combat climate change, and contribute to the greening of North Bay by planting 900 seedlings as part of the North Bay-Mattawa Conservation Authority’s (NBMCA) Restore Your Shore planting program.


2018 Year in Review



Registration will be open December 15 for the 44th Annual Mattawa River Canoe Race - July 25, 2020



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