From the Euclid Parking Garage: Walk north between the two buildings of the Visual Arts Complex. Turn West (left) on Central Campus Mall walkway until you see the CIRES building straight ahead of you. Enter the building on the right: This entrance is located under an overpass that connects the CIRES building with the Chemistry building. After entering, turn left and go through the double doors off the atrium. Climb 3 flights of stairs to third floor. At top of stairs, turn right. Go straight, past the overlook to the Atrium on your left. The Auditorium is on your right.
From CU Boulder parking lot 380: Walk south between Norlin Library and the quadrangle. Take a slight right to go down the stairs or ramp into the Ekeley building. Enter double doors, turn right, and the elevator is a little ways down the hall on your left. Go to the 3rd floor. Turn right and right again, and go straight past the overlook to the Atrium on your left. The Auditorium is on your right.