Lake St. Peter Provincial Park
45.3326° N, 78.0219° W
Lake St. Peter Provincial Park, Ontario. 45.3326° N, 78.0219° W
Provincial park, 4.78 km². Scale bar on the map.
borealbound.ca/parks/on/lake-st-peter-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.
- 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.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Lake St. Peter Provincial Park is a 4.78 km² provincial park 3.5 km south of McKenzie Lake, in Ontario. It was established in 1971.
3 named lakes lie in or along the park; the largest is McKenzie Lake (3.12 km²).
- Area
- 4.78 km²
- Established
- 1971
- Named lakes
- 3
- Trails
- 26.5 km
- Visits 2025
- 25,080
Conditions today
4.7 °C
Observed at Algonquin Park (Brent), as of 2:00 a.m. EDT
Tonight: Partly cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 50 becoming light this evening. Low plus 1.
Weather: Algonquin Park (Brent) (local forecast), as of 2:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:50 a.m.
- Sunrise
- 7:20 a.m.
- Sunset
- 6:37 p.m.
- Civil dusk
- 7:06 p.m.
- Moonrise
- 6:12 a.m.
- Moonset
- 5:55 p.m.
- Moon
- Waning crescent, 1% lit
Follow this place by email: a weekly summary of conditions.
In the park
| Rank | Feature | Area | Max depth |
|---|---|---|---|
| 1 | McKenzie Lake | 3.12 km² | 27.4 m |
| 2 | Lake St. Peter | 2.37 km² | 27.4 m |
| 3 | North Chainy Lake | 0.34 km² |
Trails
2 named trails and routes, with 6.5 km of trail.
| Trail | Length |
|---|---|
| Cabin Trail (Shanty Trail)Hiking or Walking | 4 km |
| Lookout TrailHiking or Walking, Paddling | 2.5 km |
Visitors
25,080 visits were recorded in 2025: 3,584 day visits and 21,496 camper nights. Campsites were 87% occupied in July and August.
Official record
- Designation
- Provincial park
- Park class
- Recreational
- IUCN category
- II, National parkInternational IUCN class, not a legal designation
- Status
- Operating park
- Regulated
- 1989
- Managed by
- Ontario Parks
- Official website
- ontarioparks.ca
Photos



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Every Friday by email: the Environment Canada forecast and any weather alerts in effect.