Grassy River Halliday Lake Forests & Lowlands Conservation Reserve
47.9227° N, 81.1612° W
Grassy River Halliday Lake Forests & Lowlands Conservation Reserve, Ontario. 47.9227° N, 81.1612° W
Conservation reserve, 17.8 km². Scale bar on the map.
borealbound.ca/parks/on/grassy-river-halliday-lake-forests-and-lowlands-conservation-reserve/, 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.
- 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).
Grassy River Halliday Lake Forests & Lowlands Conservation Reserve is a 17.8 km² conservation reserve 35 km west of Matachewan, in Ontario. It was established in 2005.
3 named lakes lie in or along the park; the largest is Annie Lake (0.18 km²).
- Area
- 17.8 km²
- Established
- 2005
- Named lakes
- 3
Conditions today
Tonight: Cloudy with 60 percent chance of showers. Wind northwest 30 km/h gusting to 50 becoming light late this evening. Low plus 2.
Weather: Gogama (local forecast), as of 4:05 a.m. EDT
Sun and moon
- Civil dawn
- 7:04 a.m.
- Sunrise
- 7:35 a.m.
- Sunset
- 6:47 p.m.
- Civil dusk
- 7:18 p.m.
- Moonrise
- 6:26 a.m.
- Moonset
- 6:06 p.m.
- Moon
- Waning crescent, 1% lit
Follow this place by email: a weekly summary of conditions.
In the park
| Rank | Feature | Area |
|---|---|---|
| 1 | Annie Lake | 0.18 km² |
| 2 | McLennan Lake | 0.14 km² |
| 3 | Radio Lake | 0.13 km² |
Official record
- Designation
- Conservation reserve
- IUCN category
- II, National parkInternational IUCN class, not a legal designation
- Regulated
- 2005
- Managed by
- Ontario Parks
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Every Friday by email: the Environment Canada forecast and any weather alerts in effect.