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!

Experience Times
Thursdays, Fridays & Saturdays, 10pm to 12am

Tours of the Universe

Thursdays & Saturdays
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.

Farming and the Sky

Fridays 10pm to 12am

Did you know that farming played an important role in the development of astronomy? Throughout the ages, farmers have used the cycles of the moon and stars to plan their growing seasons. Join the DTAO astronomers to learn more about how farming shaped the field of astronomy and lend a helping hand down in the historic Fort William garden! 


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

Closed for Private Events:

  • Saturday August 5, 2017 
  • Saturday September 23, 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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