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Oastler Lake Provincial Park

45.3124° N, 79.9643° W

Oastler Lake Provincial Park, Ontario. 45.3124° N, 79.9643° W

Provincial park, 0.32 km². Scale bar on the map.

borealbound.ca/parks/on/oastler-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.
  • Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
  • 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).
  • Air Quality Health Index observations and forecasts, 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.

Oastler Lake Provincial Park is a 0.32 km² provincial park 3.4 km south of Haines Lake, in Ontario. It was established in 1967.

1 named lake lies in or along the park; the largest is Oastler Lake (1.19 km²).

Area
0.32 km²
Established
1967
Named lakes
1
Visits 2025
59,876

Conditions today

10.6 °C

Observed at Parry Sound, 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 5.

Weather: Parry Sound (local forecast), as of 2:02 a.m. EDT

Sun and moon

Civil dawn
6:58 a.m.
Sunrise
7:28 a.m.
Sunset
6:45 p.m.
Civil dusk
7:14 p.m.
Moonrise
6:20 a.m.
Moonset
6:03 p.m.
Moon
Waning crescent, 1% lit

Air Quality Health Index

2 low risk

Parry Sound, as of 1:00 a.m. EDT

In the park

FeatureAreaMax depth
1Oastler Lake1.19 km²18.3 m

Visitors

59,876 visits were recorded in 2025: 6,159 day visits and 53,717 camper nights. Campsites were 88% occupied in July and August.

Visits per year

Official record

Designation
Provincial park
Park class
Recreational
IUCN category
II, National parkInternational IUCN class, not a legal designation
Status
Operating park
Regulated
1967
Managed by
Ontario Parks
Official website
ontarioparks.ca

Photos

Oastler Lake
Photo: Jim Marshall from Parry Sound, Canada, CC BY 2.0, via Wikimedia Commons