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Dorchester Swamp Natural Area

42.9712° N, 80.9972° W

Dorchester Swamp Natural Area, Ontario. 42.9712° N, 80.9972° W

Conservation area, 2.77 km². Scale bar on the map.

borealbound.ca/parks/on/dorchester-swamp-natural-area/, compiled October 9, 2026

  • Canadian Protected and Conserved Areas Database, Environment and Climate Change 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.
  • 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).

Dorchester Swamp Natural Area is a 2.77 km² conservation area 2 km north of Mossley, in Ontario. It was established in 1950.

Area
2.77 km²
Established
1950

Conditions today

5.8 °C

ClearWind NW 4 km/h

Observed at London, as of 4:00 a.m. EDT

Tonight: Partly cloudy with 30 percent chance of showers this evening. Becoming clear overnight. Wind west 30 km/h gusting to 50 becoming light this evening. Low plus 4.

Weather: London (local forecast), as of 4:02 a.m. EDT

Sun and moon

Civil dawn
7:02 a.m.
Sunrise
7:30 a.m.
Sunset
6:51 p.m.
Civil dusk
7:19 p.m.
Moonrise
6:23 a.m.
Moonset
6:09 p.m.
Moon
Waning crescent, 1% lit

Air Quality Health Index

1 low risk

London, as of 4:00 a.m. EDT

Official record

Designation
Conservation area
IUCN category
IV, Habitat/species management areaInternational IUCN class, not a legal designation
Managed by
Upper Thames River Conservation Authority