Grassham Lake
MU 6-6, Skeena
54.4982° N, 124.8004° W
- Surface area
- 675.2ha
- Maximum depth
- 23.8m
- 78 ft. Province survey, 1975
- Elevation
- 962m
- Campsites
- 5
- At Grassham Lake rec site
Open Grassham Lake in the appThe 7-day forecast, max depth and wildfire smoke check, on the lake's own coordinate.
Grassham Lake at a glance
- Region
- Skeena
- Management unit
- MU 6-6
- Species
- Rainbow Trout (last recorded 1978), Cutthroat Trout (last recorded 1974)The newest of these fish records is from 1978.Species from the province's fish observation records.
- Lake size
- Large Water (> 500 ha)
- Coordinates
- 54.498191, -124.800396
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Fish on record at Grassham Lake
| Species | First recorded | Last recorded | Records |
|---|---|---|---|
| Rainbow Trout | 1973 | 1978 | 4 |
| Cutthroat Trout | 1974 | 1974 | 1 |
A year is when the Province last recorded the fish here, not a statement that it is caught today.
Grassham Lake fishing regulations
We have no lake specific regulations on file for Grassham Lake yet.
Getting to Grassham Lake
47.2 km of traced road to the campground by way of Grassham FSR, Cunningham FSR, Antimony FSR and Sowchea Rd. The road at the end is a rough surface.
Coordinates: 54.498191, -124.800396
Camping and rec sites at Grassham Lake
- Grassham Lake
- Campsites
- 5 designated
- To the shore
- 52 m
Coordinates: 54.511595, -124.795775
Depth chart for Grassham Lake
23.8 mdeepest7.9 mmean
Grassham Lake runs to 23.8 m (78 ft) at its deepest, by the Province survey, 1975.
The mean of 7.9 m (26 ft) is read off the same chart, surveyed in May 1975.
The Province sounded Grassham Lake and published the depth chart surveyed in 1975. It runs to 2 sheets.
The ice year at Grassham Lake, modelled
Modelled from air temperature, not an ice report. It says nothing about whether ice will hold you.
In the model Grassham Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 30 October and 10 November, and ice-off between 10 May and 27 May. The median winter freezes on 5 November and opens on 18 May.
the middle half of modelled winters the median ice cover in the median winter
Winter 2024-25 in the model: frozen from 9 November 2024 to 7 May 2025, 179 days.
We have no ice fishing regulation on file for Grassham 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.
Grassham Lake climate, 1960 to 2025
Averaged over a year, the air above Grassham Lake is 0.8 C warmer than it was in the 1960s. That is 66 years of daily readings, not a forecast.
- +0.8 Csince the 1960s
- 2.1 Caverage year now
- 1.3 Caverage year then
- -3 daysbelow freezing, change
each yearthe trend across 1960 to 2025
each yearthe trend across 1960 to 2025
This week at Grassham 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 |
|---|---|---|---|---|---|
| Sun 25 Oct | Clear sky | 2° / -4° | 11 km/h, gusts 33 | dry | Steady |
| Mon 26 Oct | Partly cloudy | 5° / -3° | 9 km/h, gusts 21 | dry | Falling (-7.7 hPa) |
| Tue 27 Oct | Moderate snow | 1° / -3° | 15 km/h, gusts 48 | 3 mm | Falling (-4.2 hPa) |
| Wed 28 Oct | Moderate snow | 2° / -4° | 19 km/h, gusts 50 | 4 mm | Rising (+10.3 hPa) |
| Thu 29 Oct | Overcast | 2° / -8° | 5 km/h, gusts 34 | dry | Rising (+1.4 hPa) |
| Fri 30 Oct | Mainly clear | 0° / -9° | 4 km/h, gusts 18 | dry | Falling (-5.4 hPa) |
| Sat 31 Oct | Partly cloudy | 1° / -8° | 2 km/h, gusts 33 | dry | Falling (-2.2 hPa) |
Grassham Lake, in brief
What fish are in Grassham Lake?
Rainbow Trout (last recorded 1978), Cutthroat Trout (last recorded 1974). Species from the province's fish observation records.
How big is Grassham Lake?
Grassham Lake covers about 675.2 ha, by the province's Freshwater Atlas.
Which management unit is Grassham Lake in?
Grassham Lake is in MU 6-6, in the Skeena. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.
Trout lakes near Grassham Lake
- Ogston Lake 3 km away
- Camsell Lake 9 km away
- Tomas Lake 10 km away
- Whitefish Lake 13 km away
- Stuart Lake 14 km away
All 183 lakes in the Skeena, with today's conditions on each.