Government of Ontario

NGO Nature Reserves are polygon features describing lands held by nature trusts and other non-government agencies for the purpose of nature conservation. We are no longer updating this data. It is best suited for historical research and analysis. This product requires the use of GIS software....

The Acidic Precipitation in Ontario Study (A.P.I.O.S.) was established in 1979 by the Ontario Ministry of the Environment to protect the environment from the detrimental effects of acidic deposition and determine the effects of acidic deposition on terrestrial ecosystems. The effect of acid...

This dataset contains a list of licensed tile drainage contractors in Ontario who design and install agricultural tile drainage systems. These contractors hold a valid business license under the Agricultural Tile Drainage Installation Act, 1990 from the Ministry of Agriculture, Food and Rural...

Geographic information on Independent Health Facility's (IHFs). An IHF, subject to certain exemptions, is a place in which one or more members of the public receives health services or a health facility or class of health facilities designated by the Minster of Health and Long-Term Care.

Geographic information on the locations of the Mental Health and Addiction Organization. This dataset uses information in the ConnexOntario database to produce directories of addiction and mental health services in the province. ConnexOntario operates three helplines (Drug and Alcohol Helpline,...

This layer is derived from data provided from Nav Canada. Where possible, it is spatially aligned with Ontario land parcel layers. Data is continually updated. This layer should not be used for navigation purposes. Official LIO title: Airport Official

This boundary is used in the management of watershed-based planning by the Lake Simcoe Region Conservation Authority (LSRCA). It is used to support the Lake Simcoe Protection Act (LSPA). Instructions for downloading this dataset: * select the link below and scroll down the metadata record page...

The Provincial Digital Elevation Model (PDEM) is a general purpose dataset designed to represent true ground elevation and is based on best-available data across the province. This dataset has not been conditioned for any specific application.

This information is used  to manage oil and gas rights on offshore Crown lands in Ontario. A grid system of blocks and tracts is used to divide the area. 1 block =  5 minute longitude by 5 minute latitude numbered area. 1 tract =  1 minute longitude by 1 minute latitude area, assigned by letters...

A Ministry of Natural Resources (MNR) Road Barrier is when access to a road segment or network is restricted or controlled. Road authorities in Ontario have the mandated responsibility to construct roads or have them constructed on their behalf. They include: * Ministry of Natural Resources...

The data contains the following mapping layers from the Oak Ridges Moraine Conservation Plan: * Oak Ridges Moraine Conservation Plan outer boundary * Oak Ridges Moraine Conservation Plan designations, including: * natural core area * natural linkage area * countryside area * rural settlement *...

Municipal Parks are public lands set aside for recreation purposes or to protect natural and cultural environments. We are no longer updating this data. It is best suited for historical research and analysis.

The Ontario Railway Network (ORWN) is seven data classes that use the federal GEOBASE standard for the National Railway Network (NRWN) geospatial data. The seven data classes include: * track * crossing * junctions * marker posts * structure lines * structure points * stations Although the ORWN...

This dataset was created to: * better understand the state of the shoreline * track changes over time * identify priority areas for restoration The dataset provides important information for fish and wildlife habitat assessments. This includes identification of significant fish and wildlife areas...

This geospatial dataset contains the geographic boundaries of the 34 Public Health Units (PHUs) in Ontario, based on Statistics Canada’s Health Region Boundary File (2018). A PHU is the area of jurisdiction of a board of health. PHUs in Ontario are defined in Regulation 553 (Revised Regulations...

Geographic information on the locations of midwifery clinics. In 1994, midwifery became part of the Ontario healthcare system and is provided free of charge to residents of the province. Midwives provide care in both the hospital and home setting.

Ontario Integrated Hydrology (OIH) data is used to generate watersheds and support provincial-scale hydrology applications including: * watershed generation * hydrologic modelling * watercourse network analysis Four key datasets are represented in each data package: * stream network (Enhanced...

Geographic information on pharmacies in Ontario.

Statistics include the flood magnitude with the following recurrence intervals: * 1:2 years * 1:2.33 years * 1: 5 years * 1:10 years * 1:20 years * 1:25 years * 1:50 years * 1:100 years * 1:200 years * 1: 500 years These flood statistics can be used for applications such as floodplain delineation...

The Ontario Road Network (ORN) Composite product is a segmented derivative of the ORN Road Net Element (ORNELEM) data class. You can use it for mapping and general spatial analysis. Road segment information includes: * addressing * full street name * alternate street name * speed limit * number...