Plan your Visit
Location/Address:
The Mt. SAC - Randall Planetarium (Building 26C)
Mt. San Antonio College 1100 N. Grand Ave., Walnut, CA 91789
Phone: (909) 274-5795 | E-mail: planetarium@mtsac.edu
Map:
Driving Directions:
From Grand Avenue:
- Then turn onto Mountaineer Rd for 0.1 miles
- Keep right onto Edinger Way for 0.2 miles and turn right at the stop sign
- Drive straight for 0.1 miles and continue into Parking Lot G
- The planetarium is located near the south east corner of Day-Use Lot G in building #26C
- All day parking pass are available for $5.00 at the Day-Use machine in the Day-Use Lot G. You can also park in one of the metered stalls; $1.00 = 1 hour parking
From Temple Avenue:
- Turn north onto Bonita Drive for 0.1 miles
- Continue straight through the signal light
- Continue through two stop signs
- On the third stop sign turn left
- Continue straight into Day-Use Lot G
- The planetarium is located near the south east corner of Day-Use Lot G in building #26C
- All day parking pass are available for $5.00 at the Day-Use machines in Day-Use Lot G. You can also park in one of the metered stalls; $1.00 = 1 hour parking
Accessibility:
Resources
- Wheelchair Seating
- Listening Assist Devices - please inquire at the front desk
- Sign Language Interpreter - please call at least one week in advance to schedule an interpreter
- If you have difficulty on stairs please use the elevator in building 26A to get to the ground floor level. The main entrance to the planetarium is in the adjacent building next door #26C.
Observatory:
The Mt. SAC Telescope Observatory is located on top of building # 60. The 20' steel dome houses the 16" Meade RCX-400 Schmidt Cassegrain Telescope students use to research delta scuti variable stars. The observatory also houses several other smaller 8" and 10" telescopes used for astronomy class. The observatory is open to the public once a month from 9:00 - 10:30 PM for free telescope observing*. To see when the next telescope night will be please visit our telescope event calendar by clicking here. You can get to the observatory on scheduled telescope nights by going to the elevator on the first floor of building 60, someone will greet you.
*Weather Permitting
