These very large boulders (more like small flatironettes) frame the Royal arch trail as it makes it past sentinel pass. (top of the switch backs before you drop towards the arch)
The East Sentinel Boulder is some 100 feet East of the pass while the West Sentinel boulder is the rock that forces the trail to drop and go around. Both "boulders" provide exciting routes to their summit.
Hike the Royal arch trail to the top of sentinel pass. To reach the base of the East face of the West Sentinel Boulder continue past the pass and down the wooden steps. Look to your right for a severly overhanging rock with a notch and a large pine tree to its left. East Sentinel boulder is left of the pass at about the same level as the pass.
This boulder is on the left side of Sentinel Pass as one reaches it from Chautauqua. Leave the trail before reaching the pass and approach the boulder by hiking left for some 50 feet.The route starts at the notch visible left of the summit of the East Boulder. As you look towards the top of the Boulder, a leaning OW/chimney crack will come into view.Climb up to the notch and up a broken section to the base of the chimney. Place you big piece in a thin groove inside the chimney and crawl in. At t...[more]Browse More Classics in CO