Abundance of routes in secluded area of the catalinas. The long approach makes this area best for spring and fall climbing. The quality of rock varies, watch out for "portable holds" Esperero spires proper is shady in the mornings with afternoon sun. More information and route overhead can be found here: http://www.climbaz.com/Backcountry/page_html/page108.html
Getting There
From the Sabino canyon visitor center walk up the road and start on the esperero canyon trail, take this trail for about 4 miles until you can see the spires to your right. From here bushwack up to the climbs. Expect about 2-3 hours on the trail and 1 hour for the bushwacking.
The Classics
Mountain Project's determination of some of the classic, most popular, highest rated routes for Esperero Spires: