Stargazing at Jasper National Park Dark Sky Preserve
The world's second-largest dark-sky preserve — 11,000 km² of Rocky Mountain wilderness.
Updated:
· Tonight: Friday, August 14, 2026
📍 Rocky Mountains, AB🌑 Bortle 2🚗 Fly into Edmonton, then drive about 4–4.5 hours west via Highway 16.📅 Designated a RASC Dark-Sky Preserve, covering over 11,000 km² — the world's second-largest.
About Jasper NP
Jasper National Park's Dark-Sky Preserve covers more than 11,000 km², making it the second-largest in the world, and it draws crowds every October for the Jasper Dark Sky Festival. The Pyramid Lake / Pyramid Island area is the classic, easy-access spot — a short causeway walk from the parking lot puts Rocky Mountain peaks on one horizon and open sky on the rest.
What you can see in the sky
Milky Way over the Rockies, aurora on active nights, and Perseids each August.
Best time of year
Every October during the Jasper Dark Sky Festival, or any clear night from September through spring once the summer's short nights lengthen again.
Why this site is worth the drive
Second-largest Dark-Sky Preserve in the world at over 11,000 km²
Annual Jasper Dark Sky Festival every October
Pyramid Lake / Pyramid Island is a classic, easy-access viewing spot
Practical tips for Jasper NP
Park entry fee applies
Book festival accommodation in Jasper townsite well in advance
Summer nights are short at this latitude — real astronomical darkness returns in August
Live 48-hour forecast
Tonight's verdict above is a build-time snapshot. For the full
hourly view — cloud cover, transparency, seeing, smoke, humidity,
moon altitude and a Bortle-aware tonight score by observing mode
(visual, deep-sky, planetary, astrophoto) — open the live forecast:
The live page combines Open-Meteo weather, US-AQI wildfire smoke,
moon math and Bortle-scale darkness into a single tonight score
(0–100), updated continuously.
Frequently asked questions
Is Jasper NP good for stargazing tonight?
Tonight's verdict is Good (High confidence). 6h clear window during astronomical night, mean cloud 33%.
When is the best time of year to stargaze at Jasper NP?
Every October during the Jasper Dark Sky Festival, or any clear night from September through spring once the summer's short nights lengthen again.
How long is the drive from Toronto?
Fly into Edmonton, then drive about 4–4.5 hours west via Highway 16.
What can I see in the sky here?
Milky Way over the Rockies, aurora on active nights, and Perseids each August.
How dark is the sky? (Bortle scale)
Jasper NP sits at Bortle class 2 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.