From the Keyhole to the Trough, the Ledges are a mix of rock and snow. I put on my crampons about 1/4 of way down the Ledges and kept them on until the top of the Trough, although there was significant gaps through the Ledges with bear rock. The Narrows and Homestretch were 90% snow free and I did not use crampons from the top of the Trough to the summit. The Trough will likely hold snow for another 2 weeks or more, and the Ledges might melt out in 8-10 days. The Boulder field to the Keyhole was 80% snow free and melting fast.
  
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