Astronomy activity

Popular Astronomy Festival

© Sépaq


  • The Astronomy Festival is a unique opportunity to become passionate about astronomy and to be inspired by the stars. Dedicated to the general public, this great celebration of the sky will lead you to discover the night from another angle! In addition to offering a host of fascinating activities and discoveries, the festival is also the only time of year when the public is allowed to observe the nighttime skies at Mount Megantic Observatory. Take advantage of this great privilege to become starstruck when using the most powerful telescope of eastern North America.


  • Activities at the foot of the mountain (ASTROLab)
  • Special presentation before the ascent by bus on Webb spatial telescope.
  • Free visit of the Du ciel étoilé à l'Univers infini (from the starry sky to the infinite universe) exhibition
  • Outdoor naked eye and telescope sky gazing (weather permitting)
  • Nighttime hike (weather permitting)
  • Invisible spectrum naked eye exhibition on the history of sky gazing
  • Activities at the peak of the mountain (at both observatories)
  • Visit of Mount Megantic Popular Observatory, the most high-performance facility of its kind in North America, during the only nights when the observatory is open to the public. Star gazing is possible if the sky is clear.
  • Visit of the Popular Observatory, a special presentation called Trous noirs if the sky is overcast or cosmos gazing with the 61-cm diameter telescope if the sky is clear.


  • Approximate length: between 3:30 hrs (when the sky is overcast) and 4 hrs. (when the sky is clear)
  • Shuttle service: the ascent to the observatories will be done by shuttle service (included in the price of the activity).
  • Go to the Observatoire sector registration centre 15 minutes before the selected departure time. The registration centre is located 25 minutes from Franceville sector.
    Punctuality is important for compliance with public health regulations.
    COVID-19: make sure you comply with current health standards before traveling for your activity.

Don't forget

  • Warm clothing


Category Price
Adult $36.25
Child (17 years and under) Free

Taxes and park entry fee not included. Holders of an Annual Québec National Parks Card benefit from a 15% discount on the purchase of a ticket for an astronomy activity.


Group Composition Select

Group Composition

14 people maximum

You must indicate the number of children aged 17 and under in your group in order to guarantee them access to the activity.

If your group includes 14 persons or more, please contact us at 819-888-2941, ext. 6353

Select your group composition.

Annual Card Holders Select