AMP: 0 Location: SR 86 and SR 386, Pima Cty Reassurance shield at the beginning of SR 386, which heads 12 miles up to the top of those mountains AMP: 12 Location: SR 386 at Kitt Peak, Pima Cty 12.4 miles later, SR 386 ends at the observatory at the top of the mountain in … Continue reading State Route 386, SR 86 to Kitt Peak National Observatory