| name | alternatenames | latitude | longitude | timezone | modification_date |
| Carleton Martello Tower National Historic Site of Canada | | 45.25295 | -66.07665 | America/Moncton | 2006-01-18 |
| Carlton Trail Regional Park | | 50.6792 | -101.70093 | America/Regina | 2006-01-18 |
| Cartier Moraine Conservation Reserve | | 46.71258 | -81.54978 | America/Toronto | 2006-01-18 |
| Cascade Recreation Area | | 49.26642 | -120.9358 | America/Vancouver | 2006-01-18 |
| Castle Creek Provincial Nature Reserve | | 48.20007 | -90.06688 | America/Atikokan | 2006-01-18 |
| Castle Hill National Historic Site of Canada | | 47.2513 | -53.97033 | America/St_Johns | 2006-01-18 |
| Catala Island Marine Park | | 49.83899 | -127.05822 | America/Vancouver | 2013-09-17 |
| Catfish Creek Wildlife Management Area | | 50.53561 | -96.395 | America/Winnipeg | 2006-01-18 |
| Cathcart Tower National Historic Site of Canada | | 44.22482 | -76.4533 | America/Toronto | 2006-01-18 |
| Cat Hills Provincial Forest | | 49.06577 | -95.71444 | America/Winnipeg | 2006-01-18 |
| Cave and Basin National Historic Site of Canada | Lieu historique national du Canada Cave and Basin | 51.16834 | -115.59349 | America/Edmonton | 2011-06-24 |
| Cavern Lake Provincial Nature Reserve | | 48.8334 | -88.68337 | America/Toronto | 2006-01-18 |
| Cayer Wildlife Management Area | | 51.40829 | -99.20078 | America/Winnipeg | 2006-01-18 |
| C. D. Falk Wildlife Refuge | | 49.2553 | -97.83823 | America/Winnipeg | 2006-01-18 |
| Cedar Creek Conservation Reserve | | 48.4418 | -89.74186 | America/Toronto | 2006-01-18 |
| Cedar Valley Conservation Area | | 43.93342 | -78.88287 | America/Toronto | 2006-01-18 |
| Centennial Lake Provincial Nature Reserve | | 45.24181 | -76.99114 | America/Toronto | 2006-01-18 |
| Centre Creek Old Growth White Pine Conservation Reserve | | 46.61678 | -81.67479 | America/Toronto | 2006-01-18 |
| Centreville Conservation Area | | 43.05009 | -80.86642 | America/Toronto | 2006-01-18 |
| Ceylon Regional Park | | 49.45197 | -104.56997 | America/Regina | 2006-01-18 |
| Chain Lakes Conservation Reserve | | 45.6251 | -79.24544 | America/Toronto | 2006-01-18 |
| Chambly Canal National Historic Site of Canada | | 45.37728 | -73.25666 | America/Toronto | 2006-01-18 |
| Chantry Island Bird Sanctuary | | 44.48759 | -81.40396 | America/Toronto | 2006-01-18 |
| Chapelle de Beaumont | | 45.88905 | -64.58486 | America/Moncton | 2006-01-18 |
| Charlotte County Court House | | 45.07374 | -67.05109 | America/Moncton | 2006-01-18 |
| Charlotte County Gaol | | 45.08074 | -67.05999 | America/Moncton | 2006-01-18 |
| Charlotte County Registry Office | | 45.07514 | -67.05169 | America/Moncton | 2006-01-18 |
| Charron Lake Game Preserve | | 52.40001 | -104.28431 | America/Regina | 2006-01-18 |
| Chemong Lake Conservation Area | | 44.38342 | -78.39954 | America/Toronto | 2006-01-18 |
| Cherriman Township Conservation Reserve | | 46.22088 | -80.52469 | America/Toronto | 2006-01-18 |
| Chicopee Hills Conservation Area | | 43.4334 | -80.41638 | America/Toronto | 2006-01-18 |
| Chief George Barker Wildlife Refuge | | 51.40082 | -96.23999 | America/Winnipeg | 2006-01-18 |
| Chignecto Game Sanctuary | | 45.55015 | -64.49876 | America/Halifax | 2006-01-18 |
| Chignecto National Wildlife Area | | 45.80015 | -64.24874 | America/Halifax | 2006-01-18 |
| Chilkoot Trail National Historic Site of Canada | | 59.75626 | -134.96475 | America/Vancouver | 2006-01-18 |
| Chimney Coulee Historic Site | | 49.57225 | -108.81533 | America/Regina | 2006-01-18 |
| Chipman Hill Properties | | 45.27515 | -66.07215 | America/Moncton | 2006-01-18 |
| Chippawa Creek Conservation Area | | 43.00011 | -79.51631 | America/Toronto | 2006-01-18 |
| Chitek Lake Recreation Site | | 53.76685 | -107.77487 | America/Regina | 2006-01-18 |
| Christie Beach Conservation Area | | 44.6001 | -80.5164 | America/Toronto | 2006-01-18 |
| Christie Islet Bird Sanctuary | Refuge d'oiseaux de l'ilot Christie,Refuge d'oiseaux de l'îlot Christie | 49.49946 | -123.30123 | America/Vancouver | 2013-09-23 |
| Christie Reservoir Conservation Area | | 43.2834 | -80.01635 | America/Toronto | 2006-01-18 |
| Cimitière 42nd Highland Memorial | | 46.2126 | -66.60997 | America/Moncton | 2006-01-18 |
| Clair Lake Regional Park | | 51.98391 | -104.05134 | America/Regina | 2006-01-18 |
| Clay Lake Conservation Reserve | | 50.05973 | -93.49757 | America/Winnipeg | 2006-01-18 |
| Clear Lake Conservation Reserve | | 45.19732 | -78.71067 | America/Toronto | 2006-01-18 |
| Clear Lake Regional Park | | 49.01786 | -104.51773 | America/Regina | 2006-01-18 |
| Clearwater Lake Provincial Park | | 54.0832 | -101.07911 | America/Winnipeg | 2006-01-18 |
| Clearwater Lake Regional Park | | 50.86788 | -107.93697 | America/Regina | 2006-01-18 |
| Clematis Wildlife Management Area | | 50.61812 | -97.61069 | America/Winnipeg | 2006-01-18 |
| Cliff Lake Conservation Reserve | | 47.21684 | -79.68299 | America/Toronto | 2006-01-18 |
| Cochrane Ranche Provincial Historic Site (Developed) | | 51.20011 | -114.48531 | America/Edmonton | 2006-01-18 |
| Codville Lagoon Marine Park | | 52.06078 | -127.85279 | America/Vancouver | 2013-09-26 |
| Cognashene Lake Conservation Reserve | | 44.9834 | -79.88296 | America/Toronto | 2006-01-18 |
| Cognashene Point Conservation Reserve | | 44.939 | -79.91356 | America/Toronto | 2006-01-18 |
| Coldstream Conservation Area | | 43.01679 | -81.49976 | America/Toronto | 2006-01-18 |
| Coldwell Park Recreation Site | | 51.30977 | -106.94297 | America/Regina | 2006-01-18 |
| Colebrook Conservation Area | | 44.38342 | -76.78272 | America/Toronto | 2006-01-18 |
| Columbia National Wildlife Area | | 50.91663 | -116.40212 | America/Edmonton | 2006-01-18 |
| Commanda Creek Conservation Reserve | | 45.8626 | -79.56634 | America/Toronto | 2006-01-18 |
| Condie Nature Refuge Recreation Site | | 50.56681 | -104.71924 | America/Regina | 2006-01-18 |
| Conrod Island Park Reserve | | 44.64562 | -63.37958 | America/Halifax | 2016-02-13 |
| Cookson Wildlife Management Unit | | 53.5501 | -106.41777 | America/Regina | 2006-01-18 |
| Deer Creek Recreation Site | | 53.52018 | -109.61682 | America/Edmonton | 2006-01-18 |
| Deerwood Wildlife Management Area | | 49.4172 | -98.38546 | America/Winnipeg | 2006-01-18 |
| Delaronde Lake (Zig Zag Bay) Recreation Site | | 53.93761 | -106.91501 | America/Regina | 2006-01-18 |
| Delta Game Bird Refuge | | 50.18252 | -98.35463 | America/Winnipeg | 2006-01-18 |
| Demorestville Conservation Area | | 44.08342 | -77.19946 | America/Toronto | 2006-01-18 |
| Depot Lakes Conservation Area | | 44.58342 | -76.78272 | America/Toronto | 2006-01-18 |
| Derby Lake Wilderness Area | | 49.14991 | -93.68362 | America/Winnipeg | 2006-01-18 |
| Dereham Wetlands Conservation Area | | 42.9001 | -80.81641 | America/Toronto | 2006-01-18 |
| Dernière-Montagne, Refuge d'oiseaux de la | | 51.33337 | -105.25116 | America/Regina | 2006-01-18 |
| Deschambault Lake (South East Arm) Recreation Site | | 54.70373 | -103.24392 | America/Regina | 2006-01-18 |
| Desolation Sound Marine Recreation Area | | 50.11166 | -124.68847 | America/Vancouver | 2013-09-20 |
| Devil Lake Recreation Site | | 55.65574 | -104.73089 | America/Regina | 2006-01-18 |
| Devon Road Mesa Provincial Nature Reserve | | 48.0501 | -89.66685 | America/Toronto | 2006-01-18 |
| Dewey Creek Wildlife Management Area | | 45.13345 | -64.45206 | America/Halifax | 2006-01-18 |
| Dewey Soper Bird Sanctuary | | 66.0008 | -73.58153 | America/Iqaluit | 2006-01-18 |
| D. Gerbrandt Recreation Site | | 53.6904 | -103.3378 | America/Regina | 2006-01-18 |
| Dickens Lake Recreation Site | | 55.74875 | -104.6703 | America/Regina | 2006-01-18 |
| Diggity Site | | 45.61542 | -67.44001 | America/Moncton | 2006-01-18 |
| Dinosaur Provincial Park World Heritage Site | | 50.78342 | -111.50175 | America/Edmonton | 2006-01-18 |
| Divide Ridge Provincial Nature Reserve | | 48.25839 | -89.95848 | America/Toronto | 2006-01-18 |
| Dividing Lake Provincial Nature Reserve | | 45.40011 | -78.59958 | America/Toronto | 2006-01-18 |
| Dixie Cove Marine Park | | 50.0497 | -127.19765 | America/Vancouver | 2013-09-17 |
| Dog Lake Islands Game Bird Refuge | | 51.03362 | -98.52514 | America/Winnipeg | 2006-01-18 |
| Dog Lake Wildlife Management Area | | 51.03362 | -98.52514 | America/Winnipeg | 2006-01-18 |
| Domaine-de-la-Baie-Gillies | | 47.43345 | -79.11634 | America/Toronto | 2006-01-18 |
| Dore Lake Recreation Site | | 54.71126 | -107.23238 | America/Regina | 2006-01-18 |
| Dragline Channel Recreation Site | | 53.83339 | -102.94591 | America/Regina | 2006-01-18 |
| Duclos Point Provincial Nature Reserve | | 44.33341 | -79.2329 | America/Toronto | 2006-01-18 |
| Dunlevy Recreation Area | | 56.13318 | -122.35306 | America/Dawson_Creek | 2006-01-18 |
| Dunmore Township Balsam Fir Outwash Deposit Conservation Reserve | | 48.14187 | -80.40804 | America/Toronto | 2006-01-18 |
| Durham Conservation Area | | 44.18069 | -80.80392 | America/Toronto | 2006-01-18 |
| East Bay Bird Sanctuary | | 64.00073 | -81.99935 | America/Atikokan | 2006-01-18 |
| Eastern Shore Islands Wildlife Management Area | | 44.88345 | -62.25139 | America/Halifax | 2006-01-18 |
| East Larder River Bedrock Conifer Conservation Reserve | | 47.98767 | -79.59137 | America/Toronto | 2006-01-18 |
| East Sister Island Provincial Nature Reserve | | 41.81678 | -82.84982 | America/Toronto | 2006-01-18 |
| Eau Claire Gorge Conservation Area | | 46.25011 | -78.91629 | America/Toronto | 2006-01-18 |
| E. Bergman Wildlife Refuge | | 49.2597 | -97.62181 | America/Winnipeg | 2006-01-18 |
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