Geospatial Data
| Title Sort descending | Author | Year | Sample |
|---|---|---|---|
| Ontario Road Network Road Net Element (ORN) | Ontario Ministry of Natural Resources | 2001 - 2012 | 
|
| Ontario Road Network Segment With Address (ORN) | Ontario Ministry of Natural Resources | 2010 - 2012 | 
|
| Ontario SPOT Pansharpened Orthoimagery 2005-2010 | Ontario Ministry of Natural Resources | 2005 - 2010 | 
|
| Ontario Toponymic Database (OTDB) | Ontario Ministry of Natural Resources | 1500 - 2007 | |
| Ontario Trail Network | Ontario Ministry of Natural Resources | 2008 - 2010 | 
|
| Ontario Treaties Map | Ministry of Indigenous Relations and Reconciliation | 2014 | 
|
| Open Ottawa (The City of Ottawa's Open Data Catalogue) | City of Ottawa |
Varies by dataset | |
| Orthoimages of Canada 1999-2003 | Natural Resources Canada |
1999 - 2003 | |
| Osnabruck, Germany. 1:250,000. Map Sheet K53, 5th Edition, Flooding Overprint, 26 March 1945 | Great Britain. War Office. General Staff. Geographical Section. | 1945 | 
|
| Ottawa Vector Data Set | City of Ottawa |
2007 | 
|
| Paleozoic Geology of Southern Ontario | Ontario Geological Survey |
2007 | |
| Patent Land External | Ontario Ministry of Natural Resources | 2010 - 2013 | 
|
| Peat Production Area | Ontario Ministry of Natural Resources | 1997 - 2005 | 
|
| Peatlands of Canada | Natural Resources Canada |
2011 | |
| Peel Region Orthoimagery 2020 | Regional Municipality of Peel | 2020 | |
| Peel Region Orthoimagery 2021 | Regional Municipality of Peel | 2021 | |
| Permit To Take Water | Ontario Ministry of Environment | 1960 - 2013 | 
|
| Petroleum Crown Lake Grid | Ontario Ministry of Natural Resources | 1988 - 2009 | 
|
| Petroleum Historical Oil Field | Ontario Ministry of Natural Resources | 1996 - 2003 | 
|
| Petroleum Pool | Ontario Ministry of Natural Resources | 1858 - 2003 | 
|
