Armatta Lake
51.8601° N, 87.942° W
Depth contours from the 1979 government survey. Not for navigation.
Download the depth map (SVG)Armatta Lake, Ontario. 51.8601° N, 87.942° W
Maximum depth 2 m (1979 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/armatta-lake/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- 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.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. 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).
Armatta Lake is 2 m deep at its deepest point, shallower than 98% of the 2,688 surveyed lakes in Ontario. It covers 3.14 km² and lies 33 km north of Fort Hope.
- Maximum depth
- 2 msurveyed 1979
- shallower than 98% of the 2,688 surveyed lakes in Ontario
- Area
- 3.14 km²
- larger than 87% of the 18,731 lakes in Ontario
- Shoreline
- 16.3 km
- longer than 84% of the 18,731 lakes in Ontario
- Elevation
- 290 m
Today on the water
5.4 °C
Observed at Lansdowne House, as of 12:00 p.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 5 p.m., wind from the southwest: the southwest shore is sheltered, waves build toward the northeast shore.
| Time | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. | 7 a.m. | 10 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | SW 10 | SW 15 | SE 15 | S 15 | SE 20 | E 10 | E 20 |
| Waves (est.) m | 0.1 | 0.1 | 0.2 | 0.1 | ||||
| Temp. °C | 7 | 9 | 8 | 5 | 4 | 3 | 4 | 7 |
| Precip. % | 20 | 20 | 30 | 30 | 30 | 60 | 60 | 60 |
Today: Cloudy. High 10. UV index 1 or low.
Weather: Lansdowne House (local forecast), as of 12:02 p.m. EDT
Sun and moon
- Civil dawn
- 7:32 a.m.
- Sunrise
- 8:06 a.m.
- Sunset
- 7:10 p.m.
- Civil dusk
- 7:44 p.m.
- Moonrise
- 6:57 a.m.
- Moonset
- 6:29 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey from 1979 records a maximum depth of 2 m, drawn from 4 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.