Government of Ontario

This dataset contains manmade linear features in a transportation network, such as bridges and railway tunnels. It does not include roads. The linear features included are: * aerial cable ways * railway bridges * roadway bridges * railway and road bridges * pedestrian/cycle bridges * railway...

A spot height identifies the elevation (z value) above sea level of natural and man-made geographic features. It includes: * spot heights * vertical control points * water level/lake elevations Instructions for downloading this dataset: * select the link below and scroll down the metadata record...

This area has been identified as important for species movement. Analysis was completed on the natural heritage features of the fragmented areas of this region. This region has considerable development pressures in Ontario and New York State. Official LIO title: Algonquin to Adirondack (A2A)...

This spatial dataset contains a summary of fishing regulations and fish sanctuary descriptions. The data includes information on: * species catch and possession limits * size limits * seasons and close times * fish sanctuaries * bait and gear restrictions * regulations for specific fisheries...

The spatial record for all the province's geographic areas affected by provincial level, area-specific land use policy. This layer may contain geometry from the: * provincial parks-regulated layer * conservation reserves-regulated layer * natural heritage values area layer *  wilderness areas...

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....

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

A database of geospatial coordinates that represent points of reference for photos that are held in the Archives' of Ontario's collection. The photos themselves are not part of the dataset.

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...

This data set includes information on sampling locations, water chemistry and chlorophyll collected at 18 locations in the Great Lakes-St. Lawrence River and 4 locations in Lake Simcoe.

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.

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...

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...

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...

This spatial dataset represents the boundaries of the areas of responsibility for aggregate inspectors working on behalf of the Ministry of Natural Resources and Forestry. In southern Ontario, inspectors may use various criteria to determine their area of responsibility, including: * geographic...

This data breaks down estimated hunters as well as antlered, antlerless and total harvest numbers by: * wildlife management unit (WMU) * calendar year Harvest and active hunter numbers are estimates based on replies received from a sample of resident hunters and are therefore subject to...

The Lake Simcoe lake monitoring program provides measurements of chemical and physical water quality limits such as total phosphorus, nitrogen, chlorophyll a, pH, alkalinity, conductivity, dissolved organic and inorganic carbon, silica, other ions, water transparency, temperature and dissolved...