Nature's Lights
Alta Lake, Rainbow Park
Whistler, Canada4.6
Tonight
Checking tonight's sky…
Waxing Crescent · 29% illuminated
✨ Lake✨ Mountain View✨ Free🛡️ Safety 4/5
A lakeside meadow facing Whistler and Blackcomb with the stars above.
Free public access · Gates close Park hours · Parking: Lot
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Pro drawer — technical metrics
- Bortle class
- 5
- SQM
- 20.4 mag/arcsec²
- Elevation
- 640 m
- South horizon
- —
- North horizon
- —
- Moon
- 29% · Waxing Crescent
- Light dome
- —
- lp zone
- 4a
- bortle note
- Estimated from modelled zenith brightness, not a field reading
- bortle source
- lorenz_atlas_2025_zenith