You can take the Jacobs Ladder Trail to the Second Hamongog, or a shorter hike is offered from the Schoolhouse Springs Trailhead, near the Dry Creek Trailhead. The Second Hamongog is a large meadow at the base of the south face of Lone Peak. The meadow and trails are clearly printed on maps and the trail is well-maintained.
Click for the Full Trip Report on my photography website.
From the Second Hamongog, you will head straight up the face of the mountain to the summit ridge of Lone peak. There is no trail up the face.
The first 2,000 vertical feet consist of loose dirt and small shrubs. For better footing (and to keep from ruining the vegetation), follow the granite stream beds that flow down the face. These streams are dry by July, the footing is excellent. As you gain height you'll notice that small granite boulders begin dotting the landscape. As you continue to climb the boulders will increase in size and number. After 4,000 vertical feet you are climbing through a massive, bright-white, granite boulder field. It is amazing! The boulder field continues up to the summit ridge.
As you come to the pinnacle of the face you'll notice an opposing peak roughly 100 yards in front of you. The two pinnacles are separated by a 100 foot drop and a narrow ridge with substantial exposure on each side. This is a good Class 3 scramble with a few Class 4 moves. Cross the ridge to the "second" summit and you'll find the true summit with the summit marker and all.
The accompanying pictures show the route.
The route is not technically difficult, but it is probably the most physically demanding route I've done in the Wasatch. In 4 miles you gain 5,800 feet. What makes the vertical gain so hard is that you are climbing over boulders and up steep slopes with no trail.
In spring you'll want the basic axe/crampon gear. In the summer, your boots will do. This route is a great alternative to the other routes which can be crowded in the summer. Guaranteed you won't see anyone else going this way.
You can check out our trip report here
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