Grundy Lake Provincial Park
45.9468° N, 80.5511° W
Park boundary and water from open government data.
Download the map (SVG)Grundy Lake Provincial Park, Ontario. 45.9468° N, 80.5511° W
Provincial park, 36.1 km². Scale bar on the map.
borealbound.ca/parks/on/grundy-lake-provincial-park/, compiled October 9, 2026
- Canadian Protected and Conserved Areas Database, Environment and Climate Change Canada. Contains information licensed under the Open Government Licence – Canada.
- Provincial Park and Conservation Reserve Regulated, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- Ontario Trail Network – Trail Segment, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Visitation to Provincial Parks, Ontario Parks (Ministry of the Environment, Conservation and Parks). Contains information licensed under the Open Government Licence – Ontario.
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Grundy Lake Provincial Park is a 36.1 km² provincial park beside Pakesley, in Ontario. It was established in 1959.
8 named lakes lie in or along the park; the largest is Cantin Lake (4.03 km²).
- Area
- 36.1 km²
- Established
- 1959
- Named lakes
- 8
- Trails
- 512.8 km
- Visits 2025
- 164K
Sun and moon today
- Civil dawn
- 7:01 a.m.
- Sunrise
- 7:31 a.m.
- Sunset
- 6:46 p.m.
- Civil dusk
- 7:16 p.m.
- Moonrise
- 6:23 a.m.
- Moonset
- 6:05 p.m.
- Moon
- Waning crescent, 1% lit
In the park
| Rank | Feature | Area | Max depth |
|---|---|---|---|
| 1 | Cantin Lake | 4.03 km² | |
| 2 | Gurd Lake | 1 km² | 6 m |
| 3 | Grundy Lake | 0.68 km² | 12.2 m |
| 4 | Portage Lake | 0.58 km² | |
| 5 | Pakeshkag Lake | 0.57 km² | 21.3 m |
| 6 | Clear Lake | 0.34 km² | 8 m |
| 7 | Bucke Lake | 0.22 km² | 2 m |
| 8 | Gut Lake | 0.11 km² | 10.7 m |
Rivers
Official names from the Canadian Geographical Names Database; each name opens its location on OpenStreetMap.
Trails
5 named trails and routes, with 12.8 km of trail not counting canoe routes.
| Trail | Length |
|---|---|
| Grundy Lake Provincial Park Canoe RoutePaddling, Portage | 6.7 km |
| Pakeshkag Lake TrailCycling, Hiking or Walking, Paddling, Portage | 5.2 km |
| Beaver Dams TrailHiking or Walking | 3.6 km |
| Gut Lake TrailHiking or Walking | 2.5 km |
| Swan Lake TrailHiking or Walking | 1.5 km |
Visitors
164,409 visits were recorded in 2025: 7,308 day visits and 157,101 camper nights. Campsites were 90% occupied in July and August.
Official record
- Designation
- Provincial park
- Park class
- Natural Environment
- IUCN category
- II, National parkInternational IUCN class, not a legal designation
- Status
- Operating park
- Regulated
- 2025
- Managed by
- Ontario Parks
- Official website
- ontarioparks.ca