I would highly recommend Old Army Pass. Currently is snow free, and shaves off 600' of elevation gain from the New Army Pass route. I did Mount Lnagley in August as a dayhike from Cottonwood via Old Army Pass. The trail up the pass is a bit rough, but its nothing unmanageable.

Here is the link of my trip report: Mount Langley Mount Langley via OAP

"Come and Let Us Climb the Lord's Mountain!" -Isaiah 2:5
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