Alta Lake
50.1147° N, 122.9819° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Alta Lake, British Columbia. 50.1147° N, 122.9819° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/bc/alta-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).
- Air Quality Health Index observations and forecasts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Alta Lake covers 1.04 km², making it larger than 72% of the 4,577 lakes in British Columbia. It lies 1 km northeast of Whistler Creek.
Government surveys have recorded 8 fish species here, including rainbow trout, cutthroat trout and kokanee.
- Area
- 1.04 km²
- larger than 72% of the 4,577 lakes in British Columbia
- Shoreline
- 5.5 km
- longer than 65% of the 4,577 lakes in British Columbia
- Fish species
- 8
- more than 88% of the 2,793 surveyed lakes in British Columbia
- Elevation
- 641 m
Today on the water
12.5 °C
Observed at Whistler, as of 12:00 a.m. PDT
choppy Estimated waves, next 12 hours: up to 0.3 m. Around 4 a.m., wind from the southwest: the southwest shore is sheltered, waves build toward the northeast shore.
| 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 | SW 20 | SW 30 | SW 30 | SW 20 | SW 15 | SW 15 | SW 15 | N 5 |
| Gusts km/h | 40 | 50 | 50 | 40 | ||||
| Waves (est.) m | 0.2 | 0.3 | 0.3 | 0.2 | ||||
| Temp. °C | 9 | 8 | 9 | 10 | 11 | 12 | 10 | 8 |
| Precip. % | 100 | 100 | 100 | 100 | 60 | 60 | 60 | 80 |
Tonight: Partly cloudy. Becoming cloudy near midnight then rain. Wind becoming southwest 30 km/h gusting to 50 near midnight. Low 8.
Weather: Whistler (local forecast), as of 12:00 a.m. PDT
Sun and moon
- Civil dawn
- 6:52 a.m.
- Sunrise
- 7:24 a.m.
- Sunset
- 6:32 p.m.
- Civil dusk
- 7:04 p.m.
- Moonrise
- 6:24 a.m.
- Moonset
- 5:52 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
2 low risk
Whistler, as of 11:00 p.m. PDT Thursday
Follow this lake by email: a weekly summary of conditions.
Depth
- Official government depth map (PDF)1968 survey
Not for navigation. Depths are from government surveys and may be outdated.
Fish
Sport fish by the share of the 78 government surveys (1923–2026) that recorded them.
Forage fish and other species (3)
- Threespine Stickleback 2
- Prickly Sculpin 1
- Rainbow Smelt 1
Numbers are the surveys that recorded each species.
Fishing regulations: Region 2 – Lower Mainland. Check seasons and limits before you fish.
Photos
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Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.