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Porphyry Island Provincial Park

48.3511° N, 88.6365° W

Porphyry Island Provincial Park, Ontario. 48.3511° N, 88.6365° W

Provincial park, 1.07 km². Scale bar on the map.

borealbound.ca/parks/on/porphyry-island-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.
  • 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).
  • 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).

Porphyry Island Provincial Park is a 1.07 km² provincial park 13 km east of Silver Islet, in Ontario. It was established in 1968.

Area
1.07 km²
Established
1968

Conditions today

0 °C

Partly CloudyWind WNW 7 km/hfeels like -2 °C

Observed at Thunder Bay, as of 3:00 a.m. EDT

Tonight: Partly cloudy with 40 percent chance of showers early this evening. Clearing this evening. Wind west 20 km/h becoming light this evening. Low minus 1.

Weather: Thunder Bay (local forecast), as of 3:02 a.m. EDT

Sun and moon

Civil dawn
7:34 a.m.
Sunrise
8:05 a.m.
Sunset
7:17 p.m.
Civil dusk
7:48 p.m.
Moonrise
6:58 a.m.
Moonset
6:35 p.m.
Moon
Waning crescent, 1% lit

Air Quality Health Index

1 low risk

Thunder Bay, as of 2:00 a.m. EDT

Official record

Designation
Provincial park
Park class
Nature Reserve
IUCN category
Ia, Strict nature reserveInternational IUCN class, not a legal designation
Status
Non-operating park (no staff or visitor facilities)
Regulated
1968
Managed by
Ontario Parks
Official website
ontarioparks.ca