Tumtum Lake
MU 3-42, Thompson-Nicola
51.8753° N, 119.1192° W
- Surface area
- 379.3ha
- Maximum depth
- 65m
- 213 ft. Province survey, 1985
- Elevation
- 669m
Open Tumtum Lake in the appThe 7-day forecast, max depth and wildfire smoke check, on the lake's own coordinate.
Tumtum Lake at a glance
- Region
- Thompson-Nicola
- Management unit
- MU 3-42
- Species
- Bull Trout, Rainbow Trout (last recorded 1983), Mountain Whitefish (last recorded 1983), Coho Salmon (last recorded 1980)The province's newest fish record here is from 1983.Species from the province's fish observation records and angling reports.
- Lake size
- Medium Lake (50 - 500 ha)
- Ice fishing
- Open to ice fishing, confirmed
- Coordinates
- 51.8753, -119.1192
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Gear for bull trout
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Fish on record at Tumtum Lake
| Species | First recorded | Last recorded | Records |
|---|---|---|---|
| Rainbow Trout | 1983 | 1983 | 2 |
| Mountain Whitefish | 1983 | 1983 | 2 |
| Coho Salmon | 1980 | 1980 | 1 |
A year is when the Province last recorded the fish here, not a statement that it is caught today.
How to fish Tumtum Lake
Best times of year at Tumtum Lake
- May - June
- September - October
Tumtum Lake fishing regulations
Bull trout (Dolly Varden) daily quota = 1 (none under 80 cm); bait ban. Source: Province of British Columbia
Getting to Tumtum Lake
Coordinates: 51.8753, -119.1192
Camping and rec sites at Tumtum Lake
- Tumtum Lake W.
No campsite count on file (BC Recreation Sites and Trails)
Depth chart for Tumtum Lake
65 mdeepest32.1 mmean
Tumtum Lake runs to 65 m (213 ft) at its deepest, by the Province survey, 1985.
The mean of 32.1 m (105 ft) is read off the same chart, surveyed in September 1985.
The Province sounded Tumtum Lake and published the depth chart surveyed in 1985.
The ice year at Tumtum Lake, modelled
Modelled from air temperature, not an ice report. It says nothing about whether ice will hold you.
In the model Tumtum Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 7 November and 21 November, and ice-off between 6 April and 26 April. The median winter freezes on 13 November and opens on 19 April.
the middle half of modelled winters the median ice cover in the median winter
Winter 2024-25 in the model: frozen from 16 November 2024 to 31 March 2025, 135 days.
Tumtum Lake is open to ice fishing under the regulations on file.
Whether a lake is open to ice fishing says nothing about whether its ice will hold you. Ice conditions vary year to year and across a single lake. Check locally before going out, every time.
Tumtum Lake climate, 1960 to 2025
Averaged over a year, the air above Tumtum Lake is 0.9 C warmer than it was in the 1960s. That is 66 years of daily readings, not a forecast.
- +0.9 Csince the 1960s
- -2.5 Caverage year now
- -3.4 Caverage year then
- -7 daysbelow freezing, change
each yearthe trend across 1960 to 2025
each yearthe trend across 1960 to 2025
This week at Tumtum Lake
The forecast on this lake's own coordinate, refreshed through the day. The app reads these seven days for fishing and scores each one.
| Day | Sky | High / low | Wind | Rain | Pressure |
|---|---|---|---|---|---|
| Tue 20 Oct | Clear sky | 13° / 1° | 3 km/h, gusts 18 | dry | Steady |
| Wed 21 Oct | Overcast | 16° / 2° | 8 km/h, gusts 36 | dry | Falling (-8.2 hPa) |
| Thu 22 Oct | Slight snow showers | 14° / 5° | 6 km/h, gusts 31 | 2 mm | Falling (-2.1 hPa) |
| Fri 23 Oct | Slight snow | 8° / 2° | 4 km/h, gusts 20 | 0 mm | Rising (+14.2 hPa) |
| Sat 24 Oct | Overcast | 8° / 2° | 3 km/h, gusts 16 | dry | Steady |
| Sun 25 Oct | Overcast | 10° / -2° | 6 km/h, gusts 22 | dry | Rising (+5.0 hPa) |
| Mon 26 Oct | Clear sky | 10° / -2° | 4 km/h, gusts 17 | dry | Falling (-1.5 hPa) |
Tumtum Lake, in brief
What fish are in Tumtum Lake?
Bull Trout, Rainbow Trout (last recorded 1983), Mountain Whitefish (last recorded 1983), Coho Salmon (last recorded 1980). Species from the province's fish observation records and angling reports.
Which management unit is Tumtum Lake in?
Tumtum Lake is in MU 3-42, in the Thompson-Nicola. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.
Trout lakes near Tumtum Lake
- Dennis Lake 17 km away
- Messiter Lake 17 km away
- Mud Lake 29 km away
- Eleanor Lake 29 km away
- Mystery Lake 32 km away
All 342 lakes in the Thompson-Nicola, with today's conditions on each.