Isaac Lake
MU 5-16, Cariboo
53.2333° N, 120.9599° W
- Surface area
- 3268.5ha
- Maximum depth
- 174.3m
- 572 ft
- Elevation
- 952m
Open Isaac Lake in the appThe 7-day forecast, max depth and wildfire smoke check, on the lake's own coordinate.
Trophy fish at Isaac Lake
Isaac Lake is known for trophy Lake trout to 8 lb.
- Lake trout to 8 lb
Trophy sizes this lake is known for, not a typical catch. They are historical records from our own big fish list, with no date on file, not recent catches.
Isaac Lake at a glance
- Region
- Cariboo
- Management unit
- MU 5-16
- Species
- Lake Trout (last recorded 1970), Kokanee (last recorded 1970), Mountain Whitefish (last recorded 1970), Whitefish (General) (last recorded 1970), Rainbow Trout (last recorded 1961)The newest of these fish records is from 1970.Species from the province's fish observation records.
- Lake size
- Large Water (> 500 ha)
- Coordinates
- 53.233278, -120.959946
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Gear for lake trout
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Fish on record at Isaac Lake
| Species | First recorded | Last recorded | Records |
|---|---|---|---|
| Lake Trout | 1970 | 1970 | 1 |
| Kokanee | 1970 | 1970 | 1 |
| Mountain Whitefish | 1970 | 1970 | 1 |
| Whitefish (General) | 1970 | 1970 | 1 |
| Rainbow Trout | 1961 | 1961 | 1 |
A year is when the Province last recorded the fish here, not a statement that it is caught today.
Isaac Lake fishing regulations
We have no lake specific regulations on file for Isaac Lake yet.
Getting to Isaac Lake
Coordinates: 53.233278, -120.959946
Depth chart for Isaac Lake
174.3 mdeepest
Isaac Lake runs to 174.3 m (572 ft) at its deepest.
The Province sounded Isaac Lake and published the depth chart surveyed in 1971. It runs to 5 sheets.
The ice year at Isaac Lake, modelled
Modelled from air temperature, not an ice report. It says nothing about whether ice will hold you.
In the model Isaac Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 31 October and 12 November, and ice-off between 27 April and 15 May. The median winter freezes on 7 November and opens on 8 May.
the middle half of modelled winters the median ice cover in the median winter
Winter 2024-25 in the model: frozen from 15 November 2024 to 27 April 2025, 163 days.
We have no ice fishing regulation on file for Isaac Lake either way. Check the current BC Freshwater Fishing Regulations Synopsis before you plan a trip.
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.
Isaac Lake climate, 1960 to 2025
Averaged over a year, the air above Isaac Lake is 0.7 C warmer than it was in the 1960s. That is 66 years of daily readings, not a forecast.
- +0.7 Csince the 1960s
- 3.6 Caverage year now
- 2.9 Caverage year then
- -4 daysbelow freezing, change
each yearthe trend across 1960 to 2025
each yearthe trend across 1960 to 2025
This week at Isaac 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 |
|---|---|---|---|---|---|
| Fri 23 Oct | Fog | 4° / -2° | 5 km/h, gusts 21 | dry | Steady |
| Sat 24 Oct | Fog | 4° / -3° | 10 km/h, gusts 18 | dry | Falling (-3.7 hPa) |
| Sun 25 Oct | Fog | 5° / -4° | 10 km/h | dry | Falling (-2.1 hPa) |
| Mon 26 Oct | Fog | 9° / -2° | 5 km/h, gusts 22 | dry | Falling (-4.4 hPa) |
| Tue 27 Oct | Overcast | 7° / 0° | 4 km/h, gusts 29 | dry | Rising (+4.8 hPa) |
| Wed 28 Oct | Overcast | 7° / -2° | 1 km/h, gusts 54 | dry | Rising (+5.2 hPa) |
| Thu 29 Oct | Partly cloudy | 6° / -4° | 4 km/h | dry | Falling (-4.8 hPa) |
Isaac Lake, in brief
What fish are in Isaac Lake?
Lake Trout (last recorded 1970), Kokanee (last recorded 1970), Mountain Whitefish (last recorded 1970), Whitefish (General) (last recorded 1970), Rainbow Trout (last recorded 1961). Species from the province's fish observation records.
How big is Isaac Lake?
Isaac Lake covers about 3268.5 ha, by the province's Freshwater Atlas.
Which management unit is Isaac Lake in?
Isaac Lake is in MU 5-16, in the Cariboo. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.
Trout lakes near Isaac Lake
- Kruger Lake 23 km away
- Sandy Lake 23 km away
- Chisel Lake 27 km away
- Bowron Lake 28 km away
- Atan Lake 28 km away
All 328 lakes in the Cariboo, with today's conditions on each.