Lake · Cochrane, Ontario
Sylvia Lake
At a glance
- Area
- 17 ha (41 acres)
- Mean depth (estimated)
- ≈ 4.6 m (15 ft)
Mean depth: HydroLAKES (Messager et al. 2016)
This lake's year
A ring of the twelve months, January at the top: the outer band is the ice cover, the inner rings the spawning months of the lake's species, and a needle marks the day this page was updated. The list beside it says the same.
- No published ice dates for this lake.
- 1. Spottail shiner spawns: Apr–Aug (months cited for Great Lakes populations)
- Needle: Oct 25, the day this page was updated
Spawning months from each species' cited source for this region, for its five best-recorded species here; ice dates from the published record (sources below). Summer layering and fall turnover are drawn only for lakes the USGS has modelled (in the U.S. Midwest).
Who lives here
- Brook trout Salvelinus fontinalisOn the agency's list · Fish species lists: Ontario Ministry of Natural Resources, Aquatic Resource Area polygon segments. Contains information licensed under the Open Government Licence – Ontario
- Northern pike Esox luciusOn the agency's list · Fish species lists: Ontario Ministry of Natural Resources, Aquatic Resource Area polygon segments. Contains information licensed under the Open Government Licence – Ontario
- Spottail shiner Hudsonius hudsoniusOn the agency's list · Fish species lists: Ontario Ministry of Natural Resources, Aquatic Resource Area polygon segments. Contains information licensed under the Open Government Licence – Ontario
Not listed doesn't mean no fish.
Getting on the water
No public access site is listed for this water yet.
Listed by public agencies. A listed site doesn't make the water or its shore open to fishing: when in doubt, it's unknown. Check signs and local rules.
The rules
Summary, not the law. Check the official regulations before you fish.
- Brook troutClosed · 5 a day
- Northern pikeOpen, size limits · 6 a day
As of October 25, 2026, for a fish of any size.
Official regulations: Ontario Ministry of Natural Resources
Official sources:
What's biting
This water is too small for community summaries: on a small water a summary could point to someone's spot.
About this page
Sources and licences:
- Natural Resources Canada, CanVec Hydro Features (1:50,000). Contains information licensed under the Open Government Licence – Canada.; Natural Resources Canada, Canadian Geographical Names Database (CGNDB); Adapted from Statistics Canada, 2021 Census Boundary Files (census divisions, provinces). This does not constitute an endorsement by Statistics Canada of this product. · Open Government Licence – Canada 2.0
- Lake mean depth: HydroLAKES (Messager et al. 2016, Nature Communications 7:13603), CC BY 4.0 · CC BY 4.0
- Fish species lists: Ontario Ministry of Natural Resources, Aquatic Resource Area polygon segments. Contains information licensed under the Open Government Licence – Ontario · Open Government Licence – Ontario v1.0 (https://www.ontario.ca/page/open-government-licence-ontario, checked 2026-10-19): "The Information Provider grants you a worldwide, royalty-free, perpetual, non-exclusive licence to use the Information, including for commercial purposes" … "Copy, modify, publish, translate, adapt, distribute or otherwise use the Information in any medium, mode or format for any lawful purpose." data.ontario.ca aquatic-resource-area-polygon-segment: licence OGL-ON-1.0, access open; the map service: "This data is subject to terms of use. https://www.ontario.ca/page/open-government-licence-ontario".
Spawning months:
- Spottail shiner: Goodyear, C.D., T.A. Edsall, D.M. Ormsby Dempsey, G.D. Moss, and P.E. Polanski. 1982. Atlas of the spawning and nursery areas of Great Lakes fishes, Volume XIII: Reproductive characteristics of Great Lakes fishes. U.S. Fish Wildl. Serv. FWS/OBS-82/52, p. 64 (Great Lakes populations: spawning late April to late August, usually June and July at 64-72 °F)
The outline is drawn from the official water data credited above, without a basemap. These pages show no angler's catches, spots or tracks.