Bertha Lake
48.0775° N, 85.8421° W
Bertha Lake, Ontario. 48.0775° N, 85.8421° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/bertha-lake-near-marathon/, 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.
Bertha Lake covers 0.15 km², Ontario. It lies 82 km southeast of Marathon.
- Area
- 0.15 km²
- Shoreline
- 2.3 km
- Elevation
- 373 m
Sun and moon today
- Civil dawn
- 7:23 a.m.
- Sunrise
- 7:54 a.m.
- Sunset
- 7:06 p.m.
- Civil dusk
- 7:37 p.m.
- Moonrise
- 6:46 a.m.
- Moonset
- 6:24 p.m.
- Moon
- Waning crescent, 1% lit