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Classic Climbs for Aspen Trail Boulders
Mountain Project's determination of the most popular, highly-rated routes.
Browse Classics
Arizona (13,449)
Southern Arizona (4,545)
Mount Lemmon (Catalina Highway) (2,902)
7 - Upper Highway (535)
A-Frame (2)
Cove (2)
Gandalf's Gorge (55)
Mango Boulder (1)
Peter's Cluster (2)
River Boulder (17)
Roadside Boulder (5)
Ronald's Chasm (12)