Tumtum Lake
51.8756° N, 119.1192° W
Tumtum Lake, British Columbia. 51.8756° N, 119.1192° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/bc/tumtum-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.
- Known BC Fish Observations and BC Fish Distributions, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- Bathymetric Maps – Open, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- Wildlife Management Units, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- 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).
Tumtum Lake covers 3.78 km², British Columbia. It lies 17 km east of Avola.
Government surveys have recorded 4 fish species here, including Dolly Varden, mountain whitefish and rainbow trout.
- Area
- 3.78 km²
- Shoreline
- 11.7 km
- Fish species
- 4
- Elevation
- 670 m
Today on the water
9.6 °C
Observed at Blue River, as of 12:00 a.m. PDT
| Time | 1 a.m. | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | S 20 | S 20 | S 20 | S 20 | SW 20 | SW 20 | SW 20 | NE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 6 |
| Precip. % | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 30 |
Tonight: Periods of rain. Amount 5 to 10 mm. Wind becoming south 20 km/h near midnight. Low 8.
Weather: Blue River (local forecast), as of 12:02 a.m. PDT
Sun and moon
- Civil dawn
- 6:37 a.m.
- Sunrise
- 7:11 a.m.
- Sunset
- 6:15 p.m.
- Civil dusk
- 6:48 p.m.
- Moonrise
- 6:09 a.m.
- Moonset
- 5:35 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
- Official government depth map (PDF)1985 survey
Not for navigation. Depths are from government surveys and may be outdated.
Fish
Sport fish by the share of the 7 government surveys (1980–1983) that recorded them.
Fishing regulations: Region 3 – Thompson. Check seasons and limits before you fish.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.