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Hiked Longs Peak in July 2012 via the Keyhole Route. We left the parking lot at or around 215 AM and were back to the car by 3PM. The weather was perfect. There is good video of the boulderfield, keyhole, ledges, the trough, the narrows, and the homestretch all of which are truly amazing features.
Hike review: http://hikes-n-books.blogspot.com/2012/08/hike-review-longs-peak-via-keyhole-route.html