The Grand Wazoo is the spire between T. Rex and Summit Block Rock. This route should be more popular than it is.
Park at Chimney Rock Parking (end of Andante Road). Follow Andante trail east toward T. Rex and Botany 500. After 0.25 miles go left on a small trail. After a few hundred feet this will intersect a larger trail below Botany. Take a right and follow this trail all the way to below the Grand Wazoo. Scramble up to the base of the spire. The route starts about 100 ft. left of the chimney between Grand Wazoo and Little Middle Pecker Pinnacle.
GPS: 34,52.974 N 111,48.066 W