Towering over Granite Hot Springs, Antoinette Peak (11,407-feet) is difficult to miss. A feature at its southern end, The Open Door, is one of the coolest rock features in the Gros Ventres. And that’s saying a lot considering the GV’s are full of caves, tight couloirs, and tucked-away amphitheaters.
What Makes It Great
The first two miles take you through meadows, alongside Swift Creek, and into the forest. At the two-mile mark, you'll encounter a large flooded area. From here, cross the creek and continue steeply up on the opposite side. This is where the geology starts getting interesting. There are some amazing cliff bands, and plenty of spiny ridges and sizeable quartz rocks. There are also numerous caves.
Keep climbing up Swift Creek. This is one of the steeper sections of trail in the GV's, but it's also one of the most beautiful. It ends just below Antoinette Peak at about 10,800 feet, but if you want to scramble up to the peak itself, it's only 600-some feet to the top, and there are many non-technical, scramble routes up the east face.
Who is Going to Love It
Geology buffs will love exploring the eccentricity of the Gros Ventres geology in full display.
Directions, Parking, & Regulations
Granite Hot Springs and the Swift Creek Trailhead are 10 miles down a well-maintained, dirt forest service road off U.S. 191/189 in the Hoback Canyon. It is about an hour drive from downtown Jackson.
If you hit the Kozy Campground, you’ve gone too far.
There is, however, a national forest campground about a mile before Granite Hot Springs if you want to camp.