The David Thompson Astronomical Observatory

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Your pathway to the stars!

Man’s fascination with space and the stars above has endured throughout the ages. From Copernicus, Galileo, and Sir Isaac Newton, to Edmund Halley and Edwin Hubble, to Carl Sagan and Stephen Hawking, Humankind’s curiosity with What Lies Beyond is as boundless as deep space itself.

Named after one of Canada’s greatest explorers and cartographers, The David Thompson Astronomical Observatory at Fort William Historical Park is your handy portal to a wondrous world of galaxies, nebulas, comets, meteors, and other celestial bodies not commonly seen every day.

From daily solar viewings to evening Star Walks to overnight adventures to lively scientific debates and sci-fi films to special catered evening engagements, the David Thompson Astronomical Observatory offers numerous exciting opportunities to enjoy and access the mysterious Universe.

2016 DTAO Experience Guide Cover

Download the David Thompson Astronomical Observatory Experience Guide to discover the new and exciting programs that our state-of-the-art astronomy centre has to offer!

Highlights from the DTAO Grand Opening!

Transcript | Descriptive Transcript

Experience Times

Open every Thurs/Fri/Sat beginning Friday May 19th, 2017

Tours of the Universe

Thursdays & Saturdays • May 20th, 25th & 27th, 2017 - 10pm to 12am

Stimulate your senses on a journey through the cosmos! Explore the subatomic universe to the very edge of the observable universe through the DTAO's fleet of telescopes, observing galaxies, planets, nebulae and more.

Spring into Constellations

Fridays • May 19th & 26th, 2017 - 10pm to 12am

Step back in time to Ancient Greece and navigate the stories of the nighttime sky. Join our astronomers for a one-of-a-kind tour of the cosmos as they illuminate the Ancient Greek myths behind many of the constellations, asteroids and planets seen from the northern hemisphere.


  • Adult: $10
  • Youth: $8
  • Children 5 and Under: FREE!

Unavailable Dates:

  • Thursday May 25th, 2017
  • Saturday June 10th, 2017
Call 807-473-2344 or This email address is being protected from spambots. You need JavaScript enabled to view it. to reserve today!

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