From The Los Angeles Area:

Take the 405 south and exit at Harbor Blvd; Turn left. Go up five lights to Lake Center and turn right. Turn left into the second driveway.

From South Orange County and San Diego:

Take the 5 north to the 405 north and exit at Harbor Blvd; Turn right. Go up four lights to Lake Center and turn right. Turn left into the second driveway.

From Riverside and San Bernadino Counties:

Take the 91 Freeway West to the 55 Freeway South. Take the 55 to the 405 Freeway North (towards Long Beach). Exit at Harbor Blvd. Turn right. Go up 4 lights to Lake Center and turn right. Turn left into the second driveway. - See more at: http://www.observatoryoc.com/venue#sthash.aEyDKyiO.dpuf

The Observatory