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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

Most of these events involved community evacuations, significant structural loss and/or involvement of a Ministry of Natural Resources (MNR) Emergency Response Officer. Events include those assigned to MNR by an Order-In-Council under the Emergency Management and Civil Protection Act as well as...

This dataset shows the locations of ignition points for forest fires less than 40 hectares in size. Fires that grow larger than 40 hectares are mapped in the Fire Disturbance Area dataset. The Forest Fire Info Map shows active fires, current fire danger and restricted fire zones in place due to...

A single-tier municipality doesn't form part of an upper-tier municipality and assumes all municipal responsibilities set out under the Municipal Act and other Provincial legislation. A lower-tier municipality forms part of an upper-tier municipality. Municipal responsibilities set out under the...

The LIO Topographic Data Cache is a collection of topographic data, that has been preprocessed for fast, seamless display at predefined scales. The topographic data includes constructed and natural features that make up Ontario’s landscape. The cache provides limited data from areas outside...

A Township is a land subdivision in Ontario. This information was captured through the Ontario Base Mapping Program, is maintained by the Ministry of Natural Resources and distributed through Land Information Ontario (LIO) Warehouse. The spatial accuracy for some of the townships was improved...

Geographic information on the locations of Nurse Practitioner Led Clinics (NPLC). These are primary health care organizations that provide comprehensive, accessible, person centred, and co-ordinated services for people of all ages and stages of life in over 20 communities across Ontario.

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.

Geographic information for Public Health Unit's (PHU), official health agencies established by municipalities to provide an efficient community health program.

A Fire Disturbance Area represents the mapped exterior perimeter of a forest fire. Mapping is derived from a variety of sources, such as GPS points and digitized paper maps. Prior to 1998, only fires greater than 200 hectares were mapped. Since 1998, fires greater than 40 hectares have been...