Katagi Lake
47.9087° N, 81.9692° W
Depth contours from the 1979 government survey. Not for navigation.
Download the depth map (SVG)Katagi Lake, Ontario. 47.9087° N, 81.9692° W
Maximum depth 18 m (1979 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/katagi-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.
- Aquatic Resource Area survey points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- 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).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Katagi Lake is 18 m deep at its deepest point, deeper than 52% of the 2,688 surveyed lakes in Ontario. It covers 2.57 km² and lies 18 km southeast of Tionaga.
Government surveys have recorded 6 fish species here, including lake whitefish, yellow perch and walleye.
- Maximum depth
- 18 msurveyed 1979
- deeper than 52% of the 2,688 surveyed lakes in Ontario
- Area
- 2.57 km²
- larger than 84% of the 18,731 lakes in Ontario
- Shoreline
- 26.8 km
- longer than 91% of the 18,731 lakes in Ontario
- Fish species
- 6
- more than 57% of the 2,454 surveyed lakes in Ontario
- Elevation
- 389 m
Today on the water
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 11 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. | 5 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 15 | NW 20 | NW 20 | NW 20 | var. 5 | S 10 | var. 5 | SE 15 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | |||
| Temp. °C | 3 | 5 | 8 | 9 | 5 | 3 | 1 | -1 |
| Precip. % | 30 | 30 | 20 | 20 | 0 | 0 | 0 | 0 |
Today: Cloudy with 30 percent chance of showers this morning then a mix of sun and cloud. Wind becoming northwest 20 km/h gusting to 40 late this morning. High 9. UV index 3 or moderate.
Weather: Gogama (local forecast), as of 7:05 a.m. EDT
Sun and moon
- Civil dawn
- 7:07 a.m.
- Sunrise
- 7:38 a.m.
- Sunset
- 6:50 p.m.
- Civil dusk
- 7:21 p.m.
- Moonrise
- 6:30 a.m.
- Moonset
- 6:09 p.m.
- Moon
- Waning crescent, 1% lit
Depth
7% of Katagi Lake is deeper than 10 m.
How to read it: the lake’s area is sorted from the shore to the deepest point. Where the curve is flat, large areas share one depth (flats and weed beds); where it drops, depth changes quickly (drop-offs).
The government depth survey from 1979 records a maximum depth of 18 m, drawn from 21 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.
Fish
Sport fish by the share of the 16 government surveys (2010–2010) that recorded them.
Forage fish and other species (2)
Forage fish
- Trout-Perch 2
Other
- White Sucker 8
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 2 species from Katagi Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Northern Pike | 55-60 cm | 4 | Do not eat | Mercury |
| Walleye | 40-45 cm | 4 | Do not eat | Mercury |
* As defined in the guide, including children and people who are or may become pregnant. Limits are for the length the guide lists most often; they change with the size of the fish. Read the official guide
Fishing regulations: Fisheries Management Zone 8. Check seasons and limits before you fish.