Mount Wilson Engineering Tour & Evening Viewing through The Hooker 100-Inch
About this event
Mount Wilson Observatory
Engineering Tour & Night Viewing Trip
12:00 Noon August 8 to 1:00 AM August 9
(or 11 am August 9 for people sleeping overnight.)
Registration Opens May 14 at 6:00 AM
Payment must be Made at the Time of Registration
Due to the limited number of spots, this event in only open to OSSC Members
Historic Mount Wilson Observatory is an astronomical research facility located in the San Gabriel Mountains of Southern California. Located on the summit of Mount Wilson above Pasadena at an altitude of 5715 feet (1742 meters), the Observatory is visible from much of the Los Angeles area. Attendees will get to use the historic 100-inch telescope. Please see links below for specific driving directions, parking, and entrance procedures.
Attendees must be over 12 years of age
Driving Directions to Mt. Wilson Observatory
Carpooling will be required, as we will only be allowed 10 vehicles on the mountain.
We can organize the carpooling after the 20 spots are filled.
We have 12 beds reserved at the bunkhouse for those wishing to spend the night.
Carpooling will take this into acount.
Meet at front gate no later than 12:00 Noon
The Engineering Tour will begin after lunch and will last about 90 minutes.
Stargazing with the 100 inch telescope will begin at dusk and ends around 1 am.
We will organize a pot-luck dinner
Drinks and Snacks will be Provided
No alcoholic beverages permitted!
Cost: $150
Engineering Tour & Viewing Event (Limited to 20 people)
If more than 10 people are on the Waitlist, we will request a second date.
Overnight Accommodations
We have space for twelve (12) people reserved at the Bunkhouse/Monastery on Mount Wilson primarily for those with a long drive home (Additional Cost)
Check Out Time: 11:00 AM
Please Provide Your Own Breakfast
Room Details
We have reserved 6 rooms that can Accommodate 12 People. We may be able to reserve additional space if there is enough interest.
Two (2) Single Occupancy Rooms
Single Twin Bed: $95 per Room/Occupant
Two (2) Double Occupancy Rooms
One Bunk Bed (Twin on Top & Bottom)
$105 per Room ($52.50 per Occupant)
Two (2) Triple Occupancy (Family) Rooms
One Bunk Bed (Twin on Top & Double on Bottom)
$115 per Room ($38.33 per Occupant)
Please let us know during registration if you are interested in overnight accommodations, how many are in your party, and room preference. We will review interest and do our best to accommodate everyone. This includes reserving additional rooms if available.
Category
OSSC Outreach Event
Registration Info
Registration is required and it opens Thursday, May 14, 2026 at 6:00 AM
Payment In Full In Advance Only
Attendees are expected to obey all rules and requests made by the event organizers and Mount Wilson staff including all rules designed for for everyone's personal safety and for the safety of the equipment on Mount Wilson.
Cancellation Policy:
As part of the terms and conditions we were required to sign to for these reservations. Mt. Wilson can cancel right up to the day of of the event. The reasons can be obvious, fires, other weather conditions, etc. If that occurs, we will work with them to find another date to reschedule, hopefully later this year.
If you have to cancel your slot, we will need to know as soon as possible, and you will be responsible for working with the waitlist to find another individual willing to take your spot and let us know of the switch. The sooner you let us know, the easier it will be to find someone to take your spot.
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