2,400 m volcanic ridge — home to the Gran Telescopio Canarias and Bortle 1 sky.
Updated:
· Tonight: Saturday, August 15, 2026
📍 Canary Islands, Spain🌑 Bortle 1🚗 ≈ 1.5 h drive from Santa Cruz de La Palma up the LP-4 to the summit.
About Roque / La Palma
Roque de los Muchachos at 2,400 m on La Palma is one of the three best professional astronomy sites in the world. The Gran Telescopio Canarias is here — and the public can visit the summit ridge at night.
What you can see in the sky
Bortle 1 sky with the Milky Way as a physical band of light, zodiacal light, gegenschein.
Best time of year
Year-round; the summit sits above the trade-wind inversion 300+ nights a year.
Why this site is worth the drive
Above the inversion — 90%+ clear-night rate
Gran Telescopio Canarias (10.4 m) on-site
Certified Starlight Reserve for the entire island
Practical tips for Roque / La Palma
Arrive at dusk and give your eyes 20+ minutes to dark-adapt
Use a red headlamp — white light kills night vision
Bring warm layers; European mountain and coastal sites drop sharply after sunset
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 Roque / La Palma good for stargazing tonight?
Tonight's verdict is Poor (Medium confidence). No sustained clear window; brief gaps possible (min cloud 13%).
When is the best time of year to stargaze at Roque / La Palma?
Year-round; the summit sits above the trade-wind inversion 300+ nights a year.
How long is the drive from Toronto?
≈ 1.5 h drive from Santa Cruz de La Palma up the LP-4 to the summit.
What can I see in the sky here?
Bortle 1 sky with the Milky Way as a physical band of light, zodiacal light, gegenschein.
How dark is the sky? (Bortle scale)
Roque / La Palma sits at Bortle class 1 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.