Boundary Lake
MU 4-7, Kootenays
49.0074° N, 116.8910° W
- Surface area
- 26.6ha
- Maximum depth
- 12.5m
- 41 ft
- Elevation
- 1,283m
- Campsites
- 11
- At Boundary Lake rec site
Open Boundary Lake in the appThe 7-day forecast, max depth and wildfire smoke check, on the lake's own coordinate.
Boundary Lake at a glance
- Region
- Kootenays
- Management unit
- MU 4-7
- Species
- Kokanee, Brook Trout, Rainbow Trout, Westslope (Yellowstone) Cutthroat Trout (last recorded 1995), Cutthroat Trout (last recorded 1988), Dolly Varden (last recorded 1988), Longnose Sucker, Sucker (General) (last recorded 1960)The newest of these fish records is from 2026.Species from the province's fish observation records.
- Lake size
- Small Water (< 50 ha)
- Coordinates
- 49.007398, -116.89101
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Gear for kokanee
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Fish on record at Boundary Lake
| Species | First recorded | Last recorded | Records |
|---|---|---|---|
| Kokanee | 2017 | 2026 | 9 |
| Brook Trout | 1924 | 2003 | 35 |
| Rainbow Trout | 1960 | 2002 | 7 |
| Westslope (Yellowstone) Cutthroat Trout | 1962 | 1995 | 12 |
| Cutthroat Trout | 1951 | 1988 | 3 |
| Dolly Varden | 1951 | 1988 | 3 |
| Longnose Sucker | 1988 | 2003 | 2 |
| Sucker (General) | 1951 | 1960 | 2 |
A year is when the Province last recorded the fish here, not a statement that it is caught today.
Boundary Lake fishing regulations
We have no lake specific regulations on file for Boundary Lake yet.
Getting to Boundary Lake
18.2 km of traced road to the campground by way of Maryland Creek FSR, access road and Monk Creek FSR. The road at the end is a rough surface.
Coordinates: 49.007398, -116.89101
Camping and rec sites at Boundary Lake
- Boundary Lake
- Campsites
- 11 designated
- To the shore
- 59 m
Access: Travel West from the junction of Highway#3A and Highway#3 west of Creston for 28.5 km on Highway #3. Take the Maryland Creek Road on the left. Follow the main road for 13.4 km (stay right at all junctions, and stay on the most travelled road). At 13.4 km, turn left at the fork. Continue on the main road for another 4.2 km (stay left at the 3.1 km junction), and then take a sharp right down into the site.
Coordinates: 49.009673, -116.889509
Depth chart for Boundary Lake
12.5 mdeepest
Boundary Lake runs to 12.5 m (41 ft) at its deepest.
The Province sounded Boundary Lake and published the depth chart surveyed in 1968. It runs to 2 sheets.
The ice year at Boundary Lake, modelled
Modelled from air temperature, not an ice report. It says nothing about whether ice will hold you.
In the model Boundary Lake froze in 65 of the 65 winters since 1960. Freeze-up falls most years between 1 November and 13 November, and ice-off between 6 May and 21 May. The median winter freezes on 6 November and opens on 15 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 2 May 2025, 168 days.
We have no ice fishing regulation on file for Boundary 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.
Boundary Lake climate, 1960 to 2025
Averaged over a year, the air above Boundary 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
- 0.3 Caverage year now
- -0.4 Caverage year then
- -2 daysbelow freezing, change
each yearthe trend across 1960 to 2025
each yearthe trend across 1960 to 2025
This week at Boundary 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 |
|---|---|---|---|---|---|
| Wed 21 Oct | Clear sky | 10° / 7° | 8 km/h, gusts 20 | dry | Steady |
| Thu 22 Oct | Moderate rain | 15° / 7° | 8 km/h | 1 mm | Falling (-4.0 hPa) |
| Fri 23 Oct | Slight rain | 11° / 3° | 14 km/h, gusts 38 | dry | Rising (+5.0 hPa) |
| Sat 24 Oct | Overcast | 7° / 1° | 8 km/h, gusts 36 | dry | Rising (+8.6 hPa) |
| Sun 25 Oct | Overcast | 8° / 0° | 7 km/h | dry | Steady |
| Mon 26 Oct | Clear sky | 10° / 0° | 3 km/h | dry | Falling (-1.8 hPa) |
| Tue 27 Oct | Overcast | 8° / 3° | 14 km/h, gusts 35 | dry | Falling (-3.5 hPa) |
Boundary Lake, in brief
What fish are in Boundary Lake?
Kokanee, Brook Trout, Rainbow Trout, Westslope (Yellowstone) Cutthroat Trout (last recorded 1995), Cutthroat Trout (last recorded 1988), Dolly Varden (last recorded 1988). Species from the province's fish observation records.
How big is Boundary Lake?
Boundary Lake covers about 26.6 ha, by the province's Freshwater Atlas.
Which management unit is Boundary Lake in?
Boundary Lake is in MU 4-7, in the Kootenays. The BC Freshwater Fishing Regulations Synopsis is organised by management unit; check it before you go.
Trout lakes near Boundary Lake
- Bridal Lake 12 km away
- Curtis Lake 17 km away
- Waldie Lake 17 km away
- Arkansas Lake 19 km away
- Panther Lake 21 km away
All 162 lakes in the Kootenays, with today's conditions on each.